[@Flamelord]
The dude's a space marine zealot. Which means he's zealous, even for a space marine. All aliens are innately flawed and weak, and all humans are by definition superior. It's how his brain works.

Also, said statement referred specifically to the retinue Ba'al had with him. He believes he'd have a decent shot at a one-man genocide, but that's mainly because of his extensive knowledge of warfare, not his ability to one-v-one the entire Goa'Uld army. And even then, I would state it's probably inaccurate in this scenario.