Um, he's running away. I think that's been made pretty clear... that was his favored plan from the start, and he only delayed it a bit when Wanda pulled Parson in. He needs the Foolamancer to make himself invisible so he can slip off safely... Gobwin Knob can go to boop as far as he cares.
Aye, Stanley's showing his true colours: the flag of GK under Stanley the Tool is a chicken on yellow.