These kind of topic is already talked before. We can manage now our self's to take time to learn what are the legit ICO's because the can research before joining a project also. Because lot of people wasting lot of time joining bounties without pay.
The bounty is also difficult to predict, indeed there are many ICO scams and bounties are also scam, but if there is a bounty that pays with favorite coins, of course it must be followed, ICO has been a conversation for a long time, starting in 201- 2018 and 2019, many ICOs being a scam, now ICOs are no longer a favorite, join IEOs in good exchanges, and you will be safe