A) The problems of philosophy aren't really problems.
B) You agree with everything that's said; i.e., it's obvious and mundane.
Why don't more people teach Wittgenstein? How many people teach Wittgenstein? I've been compiling a list of Wittgenstein scholars and where they teach for my own reference. There's a paucity. I mean, he's no Toni Morrison or anything. But he was gay, Jewish and obsessed with sin (aside from being the most insightful philosopher of the 20c). It seems like scholars would be doing more with him.
Later there will be a real update.