Because you're a business and you don't want to use your personal phone, or get a whole new plan for a phone you have to lug around that gets very sporadic use.

Because you're a business and you don't want to use your personal phone, or get a whole new plan for a phone you have to lug around that gets very sporadic use. That's not a made up use case; I think there are a lot of businesses that fit that description.