Yes, but they wouldn't go out of their way to step on us either.
If we're really as useless as ants, I think they'd keep flying by.
Intellegent adults don't burn ants with maginifying glasses for fun.
EDIT: In the Star Ocean series they leave underdeveloped planets to carry on their own course, when they've advanced enough, they are offered a place in some union. Sticking your fingers in underdeveloped planets was a big no no.





