Because Wily said he wanted it destroyed and I didn't have anything better to do today.

[ That's usually why he follows orders, when he ever does anymore. It's been pretty hit-and-miss since he came back, his obedience. Even worse than before. ]

I can't take you with me. I'm going to buy you a room at a hotel and report back to Wily, and then I'll come get you again and figure out what the fuck to do.

[ Because he's the boss of you and all. ]