> They just happen in smaller numbers compared to men.
Black people just happened to perfect slaves, unsuited to life as free people. [1] Women just happened not to want the vote. [2] Those were dumb arguments then, and it's a dumb argument now. Things don't just happen; they happen for reasons. And given our multi-millennial history of male dominance over women, these reasons are often historical.
You can dress it up however you like, but your vigorous defense of the historically biased status quo is inevitably sexist in result. Any woman seeing this is going to immediately have to prepare to be treated like this: https://xkcd.com/385/
If you really care about helping women into STEM careers, you'll learn some history and stop talking like this. Given the number of anonymous dudes who spend their time arguing against fixing historical sexism who also claim to be super-dedicated to helping women, you can probably work out what I think you'll actually do.
[1] See, e.g., https://en.wikipedia.org/wiki/Cornerstone_Speech#The_.27Corn... or https://www.tsl.texas.gov/ref/abouttx/secession/2feb1861.htm...
[2] E.g.: https://ehistory.osu.edu/exhibitions/1912/womens_suffrage/wo...