The Controller was not actually him. That was a fake. The real Time Trapper chewed him out for getting shitcanned by Darkseid. He was just someone the trapper was using as a proxy.
and Glorith? Wasn't she his partner at one time? I'm almost certain she backstabbed him, and he backstabbed her back.
Spoiler:
Still doesn't explain why SBP is the Trapper.