Max Raids Battles could have been done like Monster Hunter Style. With Guilds, and Item prizes and hidden abilities in the highest ranks. Actually enforcing online multiplayer

Dens are a clusterfuck of RNG and a ignorable mechanic even in the story mode when you only do it once to beat G-Eternatus. You can't even play with other people, without registring them as friends.

Is obvious the developers don't want to add more and just do as minimuns as possible even with great possibilities. What could have been...