Disclosing client personal data to 3rd party... I would never-ever but a single satoshi into your site.
Yes this is quite frustrating to see from sportsbook no any good platform should disclose their users detail and private info. Privacy is quite big thing for gamblers and gambling platform should respect it, this things suggesting us to bet only on anonymous betting platforms like directbet.
Imagine how easily they limit people that simply win, if they so easily distribute sensitive personal information...