we’re basing these things off “traditional assignments” on what “masculinity” and “femininity”

It’s a movie released in 1979, during the thick of Third Wave Feminism. You’re going to get some tropes. But it helps to remember a core conceit of “Alien” as a movie is “What if a man could get pregnant?” Presenting tropes and subverting them is part of the appeal of the franchise.

Men and women embody various roles and archetypes, and have done forever.

Movies tend to boil down the human experience for entertaining consumption. That’s another reason why “We’re writing a male oriented satire about toxic masculinity” stumbles over its own dick. At some point, you’re only going to have so many characters and perspectives and a limited amount of time for each of them. You’re going to get caricatures whether you want them or not. You have to if you want your film to be watchable.