It’s not clear to me which bit you’re complaining about—I assume it’s either that the format is still used and/or that name describes an obsolete use. But the f

It’s not clear to me which bit you’re complaining about—I assume it’s either that the format is still used and/or that name describes an obsolete use. But the former seems perfectly reasonable if it still serves a useful purpose, and the latter largely irrelevant (these days a “tarball” is generally as an arbitrary word, like “zip file”); so I’m curious to hear your perspective on what the problems are.