I think one major contributing reason is that the amount of programmers is still rising so fast, with each new generation being larger than the previous. Then

I think one major contributing reason is that the amount of programmers is still rising so fast, with each new generation being larger than the previous. Then every generation see the tail end of the previous generation and will then rebel against it to solve the issues. That they will have moderated after a couple oscillations doesn't matter as there is so few of them in most work places.