I am ready to admit I do complain about those requirements as it seem excessive to force gamblers to gamble so much to liberate their bonus, but when I read what the OP is trying to do, it becomes clear why casinos have such strict requirements.
Of course, this requirement is made so that the casino will also benefit, if gamblers who only visit and get bonuses don't gamble or play games in it, the casino will only be left behind.
But when some conditions require you to gamble with the bonus and you have to reach a certain amount for withdrawal, it will give the casino an advantage.
What usually happens is that those who gamble at the beginning with a lot of bonuses will lose and only a few users are lucky, in the end they will make a deposit.
Casinos that don't ask for KYC right away don't mean they're easy to manipulate.
After all most cryptocurrency casinos do not ask for KYC right away so someone trying to abuse their welcome bonuses could create many accounts and by sheer luck earn money if the requirements were lower, so while I am still not happy about it I understand their posture now that I see what they are up against.
Usually, there will be a certain limit that must be reached or when they want to make a withdrawal they have to do KYC in order to withdraw their funds.
I once made a withdrawal on the roobet site when I got a prize from a contest.
To withdraw a new user must include personal data information and a complete address. after that, it can be processed.