I think there's been a dependency since day 1. For example, I have lots of photos scanned in the 90's with my old (old old) scanner, and they are in .psd format. Which for instance, macos can still preview.

That ship has sailed: https://www.hyrumslaw.com/ and, of course, the obligatory xkcd https://xkcd.com/1172/

When I read that rant comment, I thought of "oh, so it's microservices writing to a shared byte array" in a nod to https://en.wikipedia.org/wiki/Conway%27s_law