For Stake to even give anything at all (even if it's $1) means that they truly care, many others would have forced you one way or another to complete the KYC without giving you a dime.
They are a business at the end of the day and this is just a clever tactic to ensure that their customers quickly complete their level 2 KYC verification since they have no shortage of money basically.
It's a mutually beneficial tactic, but it sucks to see more and more proper crypto gambling sites become centralised in this manner which we all knew was coming.