You can bet genetic engineering has reached a level where you can sterilize your whole army without a concern.
So soldiers fucking like rabbits ? Maybe. All genders ? Maybe, we have no idea whether there were women onboard. BUt did they get pregnant ? Why bother ?
But I don’t understand the anger around the subject at all.
It’s simply a subject of personal autonomy and body integrity.
Imagine being a grown man or just a teenager and being forced to perform that operation without your consent nor any explanation (as it’s mostly useless out of social norms and potentially harmful). I guess you’d be furious, at least.