Originally Posted by sumonernameinuse
No joke with that, donation box for map development might go somewhere if it continues at this pace
But buying champs and skins is the "donation box" for development of other features.
Seeing as they've pretty much settled into the one champ and a handfull of skins every two weeks routine the development cost for these is relatively stable I'd bet.
The more people who buy champs and skins, the more money is left over for development of the other features.