>>713787628No. It's a super duper ingrained trait of western art.
Women are admired for their beauty. People want to see their face. Simple as that.
Men are admired for what they can do. A masked/helmeted face shows a character who is less focused on themselves, and is more comprised of what they do and the values that come with it. Master Chief isn't a human, first and foremost. He's a super soldier badass. That's why the helmet stays on.