Since wins were received in an unsportsmanlike way, your account was closed to prevent further damage.
Your account is still in profit after all.
That sounds like a total bullshit answer in addition to being unprofessional, as you're responding to him in public and calling him unsportsmanlike (a term I've never heard applied to gambling, by the way, but I'm not a gambler).
With all of these scam accusations against your company, you'd be well-advised to not throw gasoline on the fire you created with posts like the above. I'm convinced 1xbit is a scam to the core, but I don't think I've left a negative on your profile yet. I'll correct that oversight right after this post.