That isn’t even a terrible idea - with that many conductors, you should be able to carry tens of amps. Use two for “Data” (detecting charger) and you’ve got… 21 positive and 21 negative. I’d not be surprised to see that hit 100W without catching fire.
I’m in the same boat - zero ads in Sync for Lemmy until this last update. I just assumed the purchase from Sync for Reddit had carried over, but I guess either LJ changed his mind or it wasn’t intentional.