This is not my personal opinion, I know Gen Z men who voted for Harris. But the voter demographics really speak for themselves, and maybe now people will look at the radicalization of young men as a serious (but solvable) issue.
No you're fair to do so, here's the demographic breakdowns and differences between 2020 and 2024 from NBC exit polls.
The particular thing to note is that Trump support jumped from 36% to 42% in the 18-29 demographic, while the other age groups remained steady, this is what I think the tweet is going off of.