There will always be that. There are hundreds of millions of iOS devices out there.
Remember that these problems are generally impacting only a small percentage of the users. Rarely do they even impact more than a double-digit percentage of people. If they did, they'd be national news. We're not talking MacRumors reports but New York Times/USA Today reports if something like battery drain was happening on a wide-scale. Every large news outlet knows that stories about Apple bring far more viewership than others like Microsoft, so they're hoping for something that can be really newsworthy for them.
Research has shown that online forums like this make problems appear bigger than they generally are. You see a thread with even a couple hundred replies about a problem and think it's widespread. What you don't consider is that that's just a couple hundred people, out of hundreds of millions of devices. You'd be talking less than 0.001% of users impacted. On top of that, you have no way of telling how many of those replies are multiple posts from the same couple people. So even a post with 1000 replies often turns out to be largely due to several individuals, rather than 1000 people with a problem.
Just something to consider when thinking about problems with iOS. All in all, it's pretty well done. There will always be some people with issues, as with every single operating system out there. But for the vast majority of us, things are pretty darn good.