Well I don't see any problem with it because as fas as I know those bounty managers have the consent of their clients. Besides, a bounty manager has a lot of on going project that is why their signature and avatar will always vary depends on what they want to wear.
I agree because one bounty manager can hold multiple bounties and it has no rules at all so there's nothing funny in this
I thought it was natural and maybe this problem already be resolved right Gift Managers Wearing Signatures another