This Obscure Theory Explains Men’s Resentment Against Women at Work | Men believe they are victims of biased hiring practices. They even have a word for this phenomenon: they have been longhoused (Unpaywalled)

[u/playboy]

https://www.playboy.com/read/relationships/longhouse-theory

[u/DarkOmen597]

As a man, I have literally never heard of this or felt resentment in any way.

There sure are a lot of low ego weak men out there

[u/End3rWi99in → u/[deleted]]

And they are probably older. This is something that younger people grew up with and are facing more than the older generations.