It's about two Roman dudebro soldiers (one of whom is gay)

Yeah, that was weird.

...as opposed to having to go to Europe to fight 'barbarian tribes.'

To be fair, they said fighting barbarians, and didn't mention Europe. They were fighting a lot of barbarians.

I don't know. Am I pearl-clutching?

Sort of? But also somewhat justified, potentially. It does certainly feel like some doubling down, and trying to rub peoples' noses in things.

Not sure how sinister, if at all, this is...aside from being insultingly unfunny, but there's something here that certainly feels weird. So I think you're probably right that they're up to something.