It's looks very much likely. Given how fast crypto is getting adopted on daily basis as the de facto platform for making transactions by crypto OGs and even newer crypto users, it won't be too long before we see mainstream fiat gambling users move to crypto based Sportsbook platforms since they can enjoy all the benefits they're currently getting from those traditional Sportsbook with even more benefits like the ones you already mentioned - Instant depo/withdraws. even if KYC is subjective, Crypto gambling platforms are still the best and it wouldn't take too long before there's a shift.