Evidence
Their own buyer, on camera
A paying customer of theirs walks through what the service was actually running, then shows the group chat he was pulled into.
A buyer shows what the service was running, part one
A paying customer of the subject's service walks through the games it was running. The report sets out this same customer's account of being added to a group chat and pressured into leaking our games beforehand.
The same buyer shows the conversation, part two
The same customer shows the messages from that group chat. Their account is that the claim about our customers coming to the subject with complaints was fabricated, and that the group was assembled to press them for material.