That's what I was thinking. Good luck getting all the random crap you have installed to update without choking on EOL'd packages, or various packages that have

That's what I was thinking. Good luck getting all the random crap you have installed to update without choking on EOL'd packages, or various packages that have new config formats, or changes to the updater itself, or apps which only support version-at-a-time migrations (or otherwise don't include the full history needed to migrate)...