certainly any kind of fraud is very harmful to the development of the crypto-currency community and creates additional mistrust on the part of people and officials, it is necessary to fight with scammers and not give them the opportunity to earn in this place
Any kind of fraud is harmful beyond the project or person that is the victim. Perhaps in the past, bounty programs and airdrops were less concerned about scammers and fraud because it was a free for all, but the crypto sphere has come to realize that it needs to crack down hard on cheaters. Dumping of ICO tokens upon listing is the most obvious, which hurts the projects and those who genuinely support it, but also the intended objective of widespread adoption - which is the main agenda of all bounty programs (with the exception of bug bounties).