Warriors get an excellent scorer who can take over any game- maybe a secondary scorer or tertiary behind wiggs or Kuminga come playoff time. Warriors give up injury prone vet in GPII as well as a first rounder which could prove valuable to the nets.
The Nets get draft capital and a flipable defensive player in Pat. They unload another veteran and soar faster towards the draft.
The Bucks get involved to take on GP2 who could help them a great deal on the defensive end of the ball when healthy. In the playoffs, this guy is a different beast. Bucks get better, Warriors get better, Nets get much much worse! Who says no?