Jesus will forgive you for fornication or adultery, but if you got an STD while at it, you’ll have to bear the pain and treat it. He would forgive you for stealing, but you will spend a couple of years in jail if caught.
Grace does not exist in the lawbook, and even if your victim forgives you, the state might not.
Whatever you have to say about Judas Iscariot, at least he got paid something.
By the way, how much were you paid the last time you betrayed your friends, your values, or yourself?
Despite this, the trade is made. The debt is paid. The payment is collected. The effort is exerted and cannot be returned.
Life unlike the vendor has no cashback policy. Items sold cannot be returned, irrespective of conditions on delivery.