It is not a scam, I know many people that have received the token but unfortunately I did not get any even though I followed all the rules and registered only one account with my phone. I don't know what actually was wrong that made them revoke my account which I only accessed from one device
Why you are saying that Keybase revoked you? Did you get any notification about it? Whatever, you may check your profile once again! If you see a yellow steller logo beside your username that's mean you will get it! Maybe it is coming as the participants are huge and they are sending according to the username! As you did not break any of the airdrop rules, then you should receive it!