The actual opposite of conservative in this case would be progressive. Liberal isn’t a relative term, progressive is. It’s easy enough to tell from context but when there’s already no info on how these graphs came to be it just adds to them being questionable.
But you can truly own steam games. It’s up to the developer whether to enable DRM. You can distribute a game through steam and it can still be launchable without steam running. Which means you can also save it to whatever backup medium you like.