[TeMPOraL]

> Software subscriptions are different though, as the variable costs are negligible

Depends on the service. Many boast about their large or unlimited storage for user's data, but this part of their marketing relies on the assumption that almost nobody will actually use a noticeable amount of the offer.

It's similar to the dishonest, but sadly normalized practice of ISPs, where the bandwidth offered would be impossible to provide if a significant number of customers tried to use it at once.