What do you mean? >If you're used to developing on Linux where you can self-host entire repos, it's incredible how fragile and ephemeral the MS stack must feel

What do you mean? >If you're used to developing on Linux where you can self-host entire repos, it's incredible how fragile and ephemeral the MS stack must feel. I guess he's talking about restoring nuget packages, so of course you don't want to have all existing nugets in all versions on your disk.