Villagers are useful. Its the nitwits that are useless. Foxes arent that useless and they can aid you in battle. Wardens and sniffers however are kinda useless.

Whats with the three ‘yes’

Well yes but the point is that the snowy villagers and snowy zombie villagers should have adapted to the cold and their clothes should prevent them from powder snow damage

Strays (snowy skeletons) are already immune to freezing

I meant snowy zombie villagers