Ninjago has plenty of repeats and barely any villager characters featured in their sets, and yet its LEGO's most popular original IP ever.
And as others have mentioned, I invision alternative skins for the Toa in a similar fashion to NRG Ninja
I mean sure, for a collectors item perhaps. But its called a collectors item for a reason, most collectors are going to be purchasing this set for the purpose of displaying it and won't care too much about pose-ability in the figures.
And even then, the Airjitsu temple had an even split between main characters and villagers.