According to what he is presenting, the spammer appears because the bounty program and many people are creating accounts continuously, and I really think that creating multiple accounts is just the result of bounty when they require a lot of post in a week, and of course, if want to do that, many people have become spammers. Therefore, to limit the situation of spammers appear, we should ask the regulators should have the appropriate rules, there should not be too strict conditions