Read up on the psych experiments where they've tested how hard people are willing to work to get a dollar they don't have, vs. how hard they're willing to work

Read up on the psych experiments where they've tested how hard people are willing to work to get a dollar they don't have, vs. how hard they're willing to work to keep a dollar that they do have. No "male ego is so brittle" assumptions are needed, to explain why many men (and other groups) get so worked up over DEI issues.