KYC is just going to make them lose players that were playing from a prohibited region.
My friend a PLAT IV user is playing from germany, without a vpn and has had not problems playing on Stake.
Now when he does his KYC, they will notice he is playing from germany, ban his account and he cant play anymore... and well, he will take his action and money elsewhere to play on a sportsbook where he is annonymous as Bitcoin was supposed to be...
I cant blame him and I will probably do the same, take my business elsewhere.
Later, stake