It is common on iHub, not sure whether they get paid or not. you ask the board why they pump for dilution, I think they are lack knowledge of dilution.
Check these ihub member's post history may help you find out real pump ans real spammer - 1) real pumper usual posts + use their own money clean the ask side and PPS go up in short term, 2) real spammer only post everywhere and never put $$ clean ask side, take long time and PPS never move up. Take time to find real pumper and stay away these spammer, Good lucky with your future trading!