"Yeah...I know the humans here aren't like the people back home, and I'm sure Maul has done stuff for people to not trust him, but..." He bites his lip. He doesn't want to jump to conclusions, especially when everyone here had been so nice to him, but...

"...I kind of wonder if some of that is related to the same kind of reason why humans hunted us back home?"

Because Maul looks like a monster. Just like how Luca looks like a monster in his natural form.