It doesn't matter how smart or how dumb you are. If a team is throwing $300k-$400k more than any other team, you can take it.
Prestia has fantastic leadership qualities, is level-headed, and has a smart football brain of the Judd variety. He is worth $500k+ imo and my understanding is the Tigers are offering more than that.
My mail has him at a 100% chance of leaving GC, and a 70% chance of going to Richmond.