Gens 1-2 were cut off compatibility-wise and have dying cartridge batteries. Gen 3 is fully compatible and preservable. NO REMAKES. Waste of time.
1, Money. 2. The games are cut off because the 3DS doesn't have a GBA slot. 3. We didn't need the Gen 2 games at all because we could already get all of the Pokemon from existing games. 4. Time events like growing berries won't happen because dead batteries.
"Murder of the living is tragic, but murder of the idea is unforgivable." - Janus, speaker of the synod