The promises of high profit of one's project attract most of the bounty hunter, this is what they're doing to draw more attention.
If you put too much expectation, you may not be satisfied with the outcome, however, you may still gain a good earnings.
For attracting the bounty hunters, campaign managers put the USD worth amount on the title of the thread. HYPE is bad in crypto, it is not going to give the bounty hunter what he is looking for. There is no rich life in the crypto world, there is hard, smart work but some people prefer to believe in the lies. Having a big expectation will lead to depression if the outcome gonna be different.