No, we do not need to find a cure. Sure, it would be nice if there were one, but that surely ranks far below curing Malaria. Baldness is a minor inconvenience. It doesn’t kill people, it doesn’t make people sick, unproductive or reduces their lifespan.
Personal note: whiney bald people who act as if baldness were some sort of serious ailment are the worst.
(I’m not sure whether you are serious or just joking. I have read bald people write like you, so I wouldn’t be surprised if you were serious.)