Money spent on marketing doesn't make a company trustworthy. Obviously, they will probably get more players, but given their shady practices, their ratings will only continue to decline.
Indeed, mostly those who are reputed/popular services don't do too much marketing/PR (just moderately and only when new products/service/promotions are up) because their reputation talks a lot for them.
Unlike these questionable website that are desperate, doing any kind of ads/marketing for them to get more users. The same like scammers who abuse google ads to lure users.
I remember yobit have the same behaviour like this casino but look at them now.