This is the precise problem with this right...
Someone may want the "right to be forgotten".
I want the right to find out if someone has done certain things in their past before doing business with them..
People grow out of some things - lack of education, adolescence, xenophobia end even conservatism. I am not so sure they grow out of sociopathy and the belief that other people don't matter.
If someone callously used others as stepping stones as part of their cunning plans, they have an attitude towards people that makes them specifically unsuitable for any legitimate business activity. It might have changed but has it?
Facts about their previous behaviour being hidden will not necessarily stop them doing it again. If their previous behaviour is known, partners, employers or even customers are less likely to be fooled next time.