The fact Connie can lift Rose's sword at all and use it viably is what made me think>>97836941
to begin with
But who knows
I still think Homeworld would wreck humanity
We don't know the extent of what they're capable of, but I'm still hung up on the fact a Lapis with the goal of terraforming Earth could wipe us out in a night before we even knew we were being invaded. And that's just one Gem out of who-knows-how-many.
But this is under the assumption they get the first attack. If we know of their existence and there's already plenty of Gem tech on Earth than who knows what could happen.