As soon as the cash out is offered, the bet is worth that amount.
If I bet $5, then I'm offered $50, the bet is now $50. He just can not understand something that is agreed on by 99.99% of the betting world.
As soon as you are aware that you've been offered a cash out, you're letting that amount ride by declining the cashout, not the original bet amount.
I'm am about 100% certain this is a coping mechanism for him, as he's probably lost a huge section of his ass by declining a cash out previously. Now he wants to see other people lose too, probably another coping technique that makes him feel better about his losses.
Still surprised he's here after admitting to constantly trolling the board on purpose for years. . . as he says, to see how far he can go before getting banned.