Tyhere can be the give me gems or I kick you. Donate x number of gems per season, donate gems to be elder. Stuff. That would be bad to have that door open.
But none of those arguments matter because in the end it would be a violation of SCs agreement with Apple and Google to circumvent their stores. (The fee structure and taxation laws for a purchaser buying for themselves and buying for someone else are different)
So the gift card suggestion was the right answer. I am not sure the problem here, I think a few guys are so fixated on seeing things only one way they can't see an alternative that gets them the same end result.

