All societies have flaws. The issue with the word 'toxic masculinity' is that it is ultimately lop-sided. When did you last hear the word 'toxic femininity'. I'd argue that it's more a propos to our day than ever. For example, anti-vaxxers are overwhelmingly women. My wife is about to give birth, and the number of mom's groups that act as if it is a personal failure on behalf of a woman to have a C-Section is astounding. Better yet, they blame men for the very existence of C-sections! Having lost our last baby, the last thing we need is more pressure on my wife. Where is the condemnation of this female 'macho' culture? It's nowhere. Feminists are completely absent on a major issue affecting women. If anything, men are still blamed for all these things, despite men being basically non-existent in the professions surrounding birth. How ridiculous.
> means that masculinity can be toxic
Almost anything can be toxic. The issue is when that label becomes a cultural meme that then gets used in ways it is not intended.
> persons like yourself to mean
Not the OP, but ad hominem attacks are considered poor form.
Finally,
> that masculine culture doesn't allow men to display emotions as openly as women, especially when those emotions betray a sense of physical or emotional vulnerability.
Feminism can sing this tune all day long, but it does not match my experience as a man. Went to an all boys high school too. Lots of male friends, I wouldn't say any of them bottle things up. They've cried on my shoulder. Told me their inner thoughts. I dunno what to tell you, other than that this is just a cultural meme that does nothing to actually help people.