The title is a strawman. I don't think it's particularly controversial to say that flash sucks, and Apple is technically justified in not supporting it on their devices.
But that's not what the issue was. The real controversy was Apple's decision (via a revision of its developer agreement) to ban the Adobe flash-to-iOS translator. That is a huge problem, and I don't see how "Flash sucks on android, see?" has any bearing on it.
That may be the controversy you are concerned about, but for many, the key controversy has been Flash in the browser using a plug-in. Some concrete examples:
So talking about the Flash plug-in isn't a straw-man or a made-up controversy, it has been a real point of debate.
Note also that the terms of the developer agreement changed in a way that apparently allows the Flash cross-compiler, so the controversy you are concerned about has now been resolved:
But that's not what the issue was. The real controversy was Apple's decision (via a revision of its developer agreement) to ban the Adobe flash-to-iOS translator. That is a huge problem, and I don't see how "Flash sucks on android, see?" has any bearing on it.