How about making perfomance based payouts only on longish returns, say 10 years? That is, money manager has to be consistently producing positive returns over 1

How about making perfomance based payouts only on longish returns, say 10 years? That is, money manager has to be consistently producing positive returns over 10 years, before starting to collect comissions. Now, this can be gamed too, but to much lesser extent than the current system.