It is a good promotion, I guess this can only be applied to those who did KYC for verification or else they will not know when to give their birthday present. Each platform has their unique way on giving away prizes or gifts to their users. I guess the more you use their platform the more previlege you will have.
Indeed. Maybe only a few people will verify themselves for playing gambling. But I doubt that many gamblers will do that since they do not care about giving their actual birthday because that will be related to their identity.
If you often use their platform and you are hard to take a break for a while, please be careful because it could mean you slowly become an addicted gambler.
Well giving your birthday means giving a valid id ( to prove that your birthday is indeed true) after all, though I do think it's possible to give out a fake id, you just have to put some effort into actually making one (I don't recommend it btw). If they just give it out to anyone that pretty much spends quite an amount, well as long as the method you use to send money isn't connected to you, I guess faking a birthday shouldn't be much of an issue. Though tbh it's most likely the latter, compared to former (KYC verified individuals) since they care more about money imho.