This is primarily due to what kind of deposit and in what currencies the player can enter the site. In some countries, commissions for top cryptocurrencies are completely unacceptable. Then they have a choice either to use a cryptocurrency with low commission rates and play, or simply refuse the services of this site. Here I think the choice is obvious. Of course, you have to have several options. They remembered here Tron, - here is one of the good examples.
It is not even a question to have a lot of options. However we have a ton of good chances with this own token thing, BFG is now public and you can swap it and that means you could basically gamble for free (technically). How? Well you can get BFG, then farm it on swap, then you could earn some more tokens there, and swap that to BFG and then gamble with it. Obviously you could sell it and make money so it is not "free", but you spent nothing to gamble there, you just didn't earn anything instead.
It means there is theoretically a way to gamble here for free, and that is how people should look at it, that way the price of BFG would stay high as well because of constantly buying it and gambling and unfortunately because of house edge, lose it as well. That is the chance we have, all those trons and doges and other options are just taking away from this chance.