You haven't answered my question. What model was the last iPhone you owned. . . the 2007 iPhone? I doubt you use any Apple product. . . your disparaging remarks about UNIX shows that's so.
So you are a Windows developer and maybe an Android developer. Whoopee. . . Your obvious bias doesn't increase your credibility much.
My favorite programmer joke
What’s the only thing dumber than an end user?
Two end users.