Yes, software is supposed to be convenient, making user's life miserable is proprietary software's job
Do one thing, and do it well.
Not even UNIX System V userspace obeys a mythical rule that only exists on a worshiped book by the FOSS community, most of which never used anything besides GNU/Linux.
Of course they haven't. The old Unixes are dead and gone.
The shell grows not old, as we that are left grow old: