Although, I kept telling him to be patient, it is also understandable that he's reacting that way. But it's also becoming more obvious that's getting irrational from all the stress. I would probably be very stressed too.
Well at some point every patience drys out, that's just how it is. Also 3 months is more than unreasonable. They could at least have replied to the casinoguru or askgamblers case. Ignoring that though is not a good look, for any casino. If they have proof that the player is wrong they would have provided that, just like almost any big casino site does.
Not taking any side here but shrugging shoulders and bringing an "it is what it is" attitude doesn't help the player, the casino or their reputation. They had a solid chance to answer to the complaints and chose not to, which is a red flag no matter what.