Unfortunately, I think your expectations are just a little bit unreasonable AND it seams that you are confusing updates to the OS with operability. I have a Mac Pro, G5 tower circa 2006 that runs just fine using Snow Leopard. No, it can't sync to my iPhone anymore and it's not going to do iCloud, but I'm not going to cry to Apple that they've abandoned me and my Mac Pro. And as we've all known, the iPad 1, as great as it was - groundbreaking even, did not run Safari well and from the beginning other features were not exactly smooth (like what you see with the 2 or 3). So again, your expectation is that your 2 year old iPad should do the same things the new 3 does? Do you expect the 720p HDTV you bought 2 years ago to offer 1080p and 3D today, because it's just 2 years old (not to mention the similar model today costs the same or less even though it adds more features)? I call bull on thinking like this.
I understand 2 years seams like a short time for a full OS refresh that you can't enjoy on your iPad 1, but the iPad is not a Mac Pro, regardless of whether you think it runs faster (in some cases) than the Pro. And given Apple brought the iPad to market, clearly not knowing where it was going to go and what changes they'd be making based upon new technology, getting 2 years before you can't upgrade the OS seams absolutely reasonable to me.
I disagree with you on so many points, and because of this disagreement I have given up iOS use for good. The drop of support over 2 years for a device such as a phone is understandable because smartphones tend to break down in 2 years due to use or carelessness, most people are on a 2-year plan, etc, so planned obsolescence because of these reasons and the production of newer devices are expected. But an iPad is not a phone. Buying a tablet COMPUTER that costs $450+ to $1000+ and having support dropped after 2 years is in all accounts unacceptable. And I'm not complaining just because of software advances - some cool improvisations that require improved hardware - but because of security updates. There's no hardware reason why Snow Leopard MacBooks can't have iCloud. There's no reason why iPad 1 can't have AirPlay, and there's no reason why iPhone 3GS, 4 and both earlier iPads can't have Siri as we have seen them perform once jailbroken. I was terribly annoyed at these decisions by apple, but understood their game - business is to make money - take it or leave it. But what are we to take from a device released in 2010 that cost a substantial amount of money that is now considered pretty much a brick and no longer receives the FUN and NECESSARY updates to run properly? You can google "iPad 1 performance problems" since the last update almost a year ago and confirm that these people were "abandoned" by apple since the last update, and to find out no cure is coming and that no amount of IOS reloading, tweaking, etc, fixes the crashing and lagging problems is even more disturbing. I was one of the users badly affected with an iPad 1 that pretty much became unresponsive after ios5. The update seemed to affect some iPads worse than others for some unknown reason.
We're now seeing people with 3 year old MacBooks and Mac pros not being updated to mountain lion. My white polycarbonate MacBook released in 2009 which I bought in 2010 a few weeks before the refresh - unknowingly might I add as it was my first apple purchase - just made the cut to the latest OS. Am I to take that 2013 will be its last year of support? If I want to continue to use an up-to-date OS I'll have to install whatever OS windows or Linux has out there... Again unacceptable. 3 years of use for a Mac is unacceptable and 1.5 years of support for an iPad is also. The iPad may be hardware limited and excuses "may" make the cut, but for full fledged computers to be dropped in a 3 year cycle is enough reason to drop support for a company - even one as good as apple.