Put differently: the word "creepy" means one thing. Actually saying someone is "creepy", however, is a social signal with a very different meaning (namely: your attention is unwanted / you are lesser / something like that).

Parsed that way, it makes sense that that message would not be sent in situations where it doesn't seem socially unacceptable to send it, even if everyone is thinking it. One of the better things about being an adult is that it becomes socially acceptable, usually, at least in good company, to do what's right even if it violates some status-signally thing.

Although this problem is frustrating to me, I fully admit it didn't arise out of nowhere. Women have some real bad actors they need to be on the lookout for. That this is an intuitive reaction (instead of an intellectual calculation) really implies this is not a new problem. Unfortunately, though, it does mean observing some old-fashioned boundaries with women is the safest course of action.

I'm corroborating this.

I've also seen a shit-ton of creepy borderline sociopathic behavior from males, much of it gone uncalled out (by the supposedly sane males who were standing by)

Let me guess: It was from the highest status male in the immediate vicinity?

Failing to read a _woman's_ boundaries correctly may not say anything about your intentions, but intentions don't matter if you're violating someone's boundaries. People shouldn't make excuses for not reading other's boundaries, they should learn to read other's boundaries and if they're repeatedly incapable or unwilling to do so, they should be treated as either children, adults with social disorders, or violators. There is NO acceptable excuse for violating another person's boundaries.

I'm a man, nerdy, below average attractiveness, but a majority of my friends are women because I don't approach them trying to get something, and I've found that a majority of women are extremely receptive to being friends.

If you have a lot of women as friends, that's great. Your experience is not the experience of a lot of men. A lot of men can't relate to women on a platonic level, and that doesn't mean they're misogynists.

Young conflict-averse man starts life being a little socially inept. Tries breaking the ice with unreceptive women, typical human psychology sets in and this behaviour is generalised to all women. Now socially inept man continues through life with underdeveloped social skills while the people he wants to interact with are developing more complex social skills.

Who is to blame? Nobody in this scenario, Consider looking to why the man is conflict averse in the first place.

This statement doesn't hold up on its own --- boundaries are not always clearly marked, nor are everyone's boundaries compatible, or even fair.