i don't know why he left out some key details from his post here because he made a longer post about it.
has he ever played at a casino before?
ofc, they are not just going to hand him $5,000 bonus for depositing $10K. every free bonus always comes with some requirements.
he was probably expecting free money and is mad that it's not the case.
Looks like he is one of those people who doesn't take the time to read the terms and conditions properly before investing and ends up blaming the site without realizing the fact that he is the one at fault.
These people are just wasting their own time and effort frankly speaking since most gamblers aren't dumb enough to believe their big statements.