it has to do with the BP, the whole game is made with that in mind and now they have to make something completely different because the modes are now going to be added and it will separate the players and they have to make challenges just made for that.I imagine there may be more to it than that, lol. I certainly have never had to make that happen. I'm sure it's more complicated than you think it is.
I won't be surprised because of all the changes, they will also remove the BP last forever rule.