She said because it looks like his tail has been broken in a few places and knowing pits and their wiggle butts she is afraid he'll break it again. did the vet suggest you amputate it?

Okay I don't want to sound like a "know it all" and that isn't my intention.
but he would be getting his tail amputated; not docked. Docking is something you do intentionally; amputating is something you do if you have to but you don't intentionally want their tail docked. Does that make sense?