> the alternate explantation I assumed is that they don't want to continue maintaining a bunch of different filesystems. But they don't have to maintain a bunc

> the alternate explantation I assumed is that they don't want to continue maintaining a bunch of different filesystems. But they don't have to maintain a bunch of different filesystems. That's the OS's job. From the application's PoV there shouldn't be any difference between these filesystems, all they need to do is check if the required feature (xattrs) is enabled for a certain FS and that's all.