At first they are promoting scam by fighting scam.
How people who fight SCAM can also advertise scam at the same moment?
https://www.trustpilot.com/review/sportsbet.io
http://bittrust.org/sportsbetio
https://game-protect.com/sportsbet-scam/
https://bitcointalk.org/index.php?topic=2482179.0
https://www.scambitcoin.com/sportsbet-io/

So We can't exclude web of alternative account that are got paid to fight competitors for money, or raise reputation of other scam projects.