Scamming is legal...It's only when they offer something i.e) have this item from era or I'll pay you after send gift etc that it becomes a scam that's banable.
Chances are that if someone is even saying Gift 4 thisGift is that they most likely won't if you have to gift something before they gift you anything they likely going to scam you, basically because the balls in their corner...
Idk what this secret santa system is? not been on classic when it's been about, but I've wondered why they haven't done something like that anyway where basically player gives present and gets a present back. Maybe also a spinoff to make different from other years why not have 'Ohh no! Santa has dropped numerous presents while trying to deliver them, go found them and dig them up for free presents!'