Obviously I as one person don't spend that much. But I do think an average app will pull in more than that from any number of users, depending on how popular the app is. It's not about a single person spending that much money on his/her own, so I'm not sure how to make sense of what you're saying.
In any case, it's not about 'how much money' they are trying to extort (for lack of a better word). It's about the fact that they step in with a claim to a somewhat questionable (read: unenforceable) patent and target small-fry developers intentionally.
That's right & wrong. You're right that it's not about the average spend of each user. You're wrong though in thinking that somehow the fee gets larger based on total purchases of the relevant app. Instead, the latter number is exactly the same whether totaled- as you imply- or spread over each user of that (relevant) app purchase.
In other words, my point of illustrating it per user was to show how much of a mountain this per-user molehill was being made. As one big number (.575% of $X, where $X is the total applicable revenues from the very first relevant transaction to the very last realized at some point in the future... or when the patent expires) it is a whopper. But no lone app developer pays that whopper, it is instead something spread over all app developers who made revenues by this method.
Like any costs, if the patent is upheld, the developer will either eat the cost out of their profits or pass it along to us consumers in higher fees... probably the latter. That's where my calculations per user come into play. So, if you or I would spend $2K per year on relevant purchases and the entire .575% was passed on to us to cover the entire .575% fee, instead of spending $2,000 we would spend $2011.50. The $11.50 would pay the patent fee requested by this company.
So, if any of us individuals have got ourselves wound up enough to send a death threat to these "greedy" "trolls", etc, I wonder if that $11.50 is enough to drive death threats. Maybe some of us plan to spend $10K in relevant purchases over the next few years and can't bear the pain of the extra $57.50 (if the patent would even still apply over 5 more years). Is that worth the death threats?
Of course not. So at what level does someone anticipate enough of a financial pain to justify death threats? If one could say $1000 is enough, they'll have to make relevant in-app purchases of almost $174K for it to cost them the extra $1000 to pay the patent holder. Is an extra $1K enough for death threats?
Of course not. Thus, mountain out of molehills (on the individual level).
Now, for big developers who have made a lot of money (measured in millions) via the patent-covered option, the claim against all past transactions could add up to a pretty big number. For example, if a developer has tallied $10M in relevant purchases to date and they have to pay out the full .575% (instead of some smaller settlement), they'll have an unexpected cost of $57,500. Maybe that's enough to make some hot-head developer angry enough to sling a death threat?
So yes, if this Lodsys could win .575% from all relevant transactions conducted to date, their take will be sizable. How big? In March, Apple claimed the iOS store had generated a total of $2 billion. Certainly not all of that would be applicable revenues. But let's go big and make half of it applicable. $1 Billion times .575% is $5,750,000. So, if we assume that 50% of ALL (cumulative) iOS app purchases over the last few years have been done via the patented approach claimed by Lodsys, and if we further assume they could fully win against all of those developers, the max upside for past revenues would probably be in the $5 to $6 million range.
The reality is that many developers are long gone, and I'm probably being generous at 50%. If this gets any real traction, I would expect developers to pool their resources against Lodsys fighting to either have the patent nullified or to reach some settlement shy of that kind of total. If the settlement is around 50% to maybe 70% and we apply that vs. $6 million, this entire play is for a total of $3-$4.2 million for past revenues max.
So even there, that's not hitting 1 little developer who makes "3% per app sale" up for $3 million or more dollars. That would be hitting the entire group of app developers up for their share of up to $4.2 million based on relevant sales of their apps.
In short, this entire thing is chump change. Apple could reduce it's cut to 29% for a very short time to cover up to all $6 million in a total win for Lodsys, then set it at 29.425% to "cover" all such expenses going forward on relevant transactions.
Or they could probably just take the extra they're making by flexing their patent muscles on cutting out the much cheaper magsafe connector cables and probably more than cover all of this for all of their developers for the past and the future.