Good to know, they are very generous to their users and there are always promotions and giveaways that will be given. This will surely a player will stay on this site because of these promotions and giveaways. However, I am a little curious about the streamer that you have said, probably it is good if you can drop here the link. Nevertheless, a gambling site that has always been like this will surely long last and gamblers will never get tired of playing because when their wallet is empty there are so many chances that they could get free BTC through participating promotions.
Roobet has always been on top of their marketing, I can complain about a few things about this place but I can't say that they do not know how to do marketing, they are very good at it. It starts with giving back to people, because they really know how to give back to people and that is why I understand why they are so much known and loved, who wouldn't want a place where you can gamble and have huge chances of getting something back? However they do other stuff as well, ads, campaigns and even streamers which is a modern way of doing marketing.
Most places still do football clubs and organization sponsorship which all work and they are nice as well, plus gets the crypto name into masses, however streamer sponsoring is basically a lot modern way of doing marketing in the crypto world, it is really something that we should be happy about if we play here.