but I actually don't know why someone will want to promote a project that you know is of shady characteristics with proven evidence against them.
They probably had a good experience gambling in that site or they are trying to get on their good side in order to participate successfully in one or more of their ongoing campaigns within this forum.
if you want to know reputable casinos you will see them ranking high on different casino review sites with multiple scores such as stake.com, you can see their review on many sites that is how to show legitimacy.
A better way to check whether a particular crypto gambling site is legit or not is by checking their dedicated thread within this forum which are updated.