Since many gamblers switched to crypto usage, this has been helping the crypto space to have more users and adoption gradually until what it is now. The adoption will keep spreading as more gamblers and casinos switch to safe crypto payments that is swift and you will not have to be waiting for longer time before your deposit is confirmed.
The existence of crypto adds an alternative transaction in the world of gambling was created for a much better privacy space than using funds directly from your account number, like me who feels much safer using crypto, and with this increasing use so casinos strengthen the real adoption of crypto transactions to the extent that it is now and you are right that with crypto we can be much faster in confirmation and at a low cost if you use a cheap network.
I see crypto casinos growing even more in the future as people and gamblers embrace crypto, but the big challenge is also addiction given the huge growth so far, let's see what the polymarket thinks about this prediction market, will it stay hype or will it become a bubble that will be abandoned in its gambling model.