Stake takes advantage from being a crypto offshore casino, and not being as famous as largest sportsbooks but if it makes bad things with their customers I don't think australian authorities will appreciate that, neither american, canadian and english ones since it is doing business with sport organizations and personalities from those countries for advertising.
Yup, they are accountable to no one.
This is why people prefer Vegas and regulated books. But not all countries got a Vegas or a legal book, so they are forced to bet on offshore books. Then this happens and you can do NOTHING.