hate to bust everyone's balls but
i literally see no problem with this, you're not paying for gold membership and it's probably to do crossplay and syncing of achievements, etc with other versions of the game
Honestly, I don't know if modding is going to be feasible. Many companies have been increasingly anti-mod in their games, I'm not sure if microsoft's new leaf is going to include modding.
many people feared that microsoft was going to kill minecraft modding when they bought the game. they didn't.