many people live in the suburbs which are not mixed zone areas; hence most stock up at supermarkets etc since getting there can be a 15-30 minute drive, let alone walking/biking.

it’s an excuse for an occasion to get together with friends/family. that’s it.

Yes but it varies store to store. you could also submit a corporate complaint and hope they reply with a coupon of some sort…

What purpose does japan have for this ammonia in the end? what do they use it for?

Exactement! J’ai vu trop de réponses du genre “ah, c’est tellement négatif”. Oui, une vie " liée" à une voiture est une vie négative !