IMO if you don't really believe the results are random, then you should stop playing straight away because you will only get more frustrated.
In regards to not winning at Lucky247, why don't you just not play there anymore? Doesn't it make sense not to deposit somewhere where you're just not winning?
A few years a ago I tried many, almost all of the Casino Rewards Group, I could never ever win at them! I believe I made one withdrawal during my time at their network of casinos. So what did I do? Decided to never to play at them again. Not because I thought their games didn't have random outcomes purely because just had no luck at their casinos
He should be paid and it's sad that he had to take this matter to court to get his winnings. That's why I don't self exclude from casinos I just ask them to close my account permanently. If you self exclude that means you have a gambling problem, so don't do it.