I’m going to agree with others that this isn’t very specific to DnD, so shouldn’t be posted here.

Now if you were asking about toxic masculinity experienced at the DnD table, then it would be more appropriate.

A small, sillier one is two of my players constantly feel the need to one-up each other when it comes to height or muscles in-game. We started a new campaign and one person mentioned their character was 6ft. One of these two goes “well my character is 6’4”” and then the other (not the first) goes “well my character is 7ft”.

Like guys do we really need to do this, in DnD?

Mostly it's just in the form of a vast majority of male co-workers I've had being misogynistic and homophobic. Ridiculing other men for showing any emotion other than anger. Pushing people to do things they know the other isn't comfortable with doing, by calling them gay (in less pleasant words) or a pussy. Telling racist jokes and/or using slurs. Believing physical strength is the best and only measure of masculinity. That kind of bullshit.

While the subject is connected to your game, you're not really asking about your game you're asking about some culture war shit that has nothing to do with D&D. Please leave this type of conversation out of this community.