ICO projects are dying quickly so aridrop are dying with it. In 2019 I was almost not involved in aridrop, most aridrop just made me lose valuable time.
Currently, Signature programs with payment in bitcoin are the first choice.
Participating in such programs that pay with bitcoins or other top altcoins would be the best solution for bounty hunters when paying for their work in the boun. But there are not many such programs on the forum. In addition, there are restrictions on the number of participants and ranks. This is why it is very difficult to join a signature campaign with payment in bitcoins.