I have an idea..

[NekoRobin]

We should make an online-gym called Gyms of Kanto, or something like that, and the gym leaders would have to use same pokémons with same movesets that the trainers in LGFR and RBY used.
So who would want to be one of the gym leaders?

 

[Shiny Umbreon]

Actually, the gym leaders fail. Using their types with better Pokémon and better moves could work, though.

 

[NekoRobin]

Still, it would give DP players to beat kanto gyms once again, as probably most of them had probably already transferred their LG/FR stuff to DP :/