The condescension is noted and not appreciated.
Also, though I have been a player often enough, the vast amount of my experience with RPGs is as a GM. And mostly with some version of D&D. In that regard, I'm mostly commenting on my own GMing over the entirety of my time as a GM, which goes back many many years.
Many others here seem to have sprung fully formed from the mind of Gygax as perfect GMs who at most need to refine their methods a bit. That's not me... I ran games in ways I'd rather not run them now. I've made plenty of errors. I've done the kinds of things we're talking about. I've done them thinking I was doing something else.