Actually, we can get more profit if we getting paid by the project's token / coin because the value can increasing if the project success.
Getting paid by stable coins is not always good, but at least it will provides you a guarantee of the reward value.
If project success, what about if the project fails?? And now, I see so many projects becomes fail rather than becomes a success. So hard to find the legitimate one, so paying with stablecoin is great, you can sell it immediately and turn to another coin. This is a guarantee for all bounty hunters, but like I said before, this impossible