Current workplace is considering a fully self-hosted stack as a unique selling point for the customers and segments we're in. That means, we have storage and linux admins available, as well as tooling and know-how how to run this securely and efficiently. Thus, placing large and often downloaded files on our file stores at hetzner is very much a no-brainer, because it adds very little workload to the teams maintaining these stores and it's cheap.
However, this can be a daunting thing if you don't have this skillset in the org. It can be learned, but that's time spent not working on the product (and it's not trivial to learn good administrative practices from the hell that google results can be). At such a point, a cloud service just costs you less man-hours. And again - it wouldn't be much time for me, but it would be a lot of time if you had to figure all of that out on the fly. That's essentially why the saying goes that cloud services save you time, but cost money.
