Depends on few factors. 1) Whether gambling stuff in question looks genuine. ...
Don’t just guess, you need to verify whether they’re licensed or not.
This is your channel, and you’re the one at risk here. You could even be held legally liable if you promote something illegal.
There are actually a lot of well-known casinos out there that turn out to have no license. And sure, the payment they offer can be very tempting, but at the end of the day, the legal issue will always come back to whether or not they’re properly licensed.