Sportsbooks set limits and review accounts partly based on customer lifetime...

https://betmentor.com/blog/welcome-until-you-win-how-to-avoid-getting-limited-or-booted-by-your-sportsbook-976

Sportsbooks set limits and review accounts partly based on customer lifetime value (CLV) to manage risk and ensure fair play. To keep withdrawals smooth, make sure your KYC details are accurate and payment names match your account