The RT line, with the ARM chips (like what this whole story is about) are not doing so well.
The title says Pro, the summary says Pro, and the chips in question are quoted in the summary (Intel chips). Where'd you get the impression this was about ARM?
Any software you have for encoding is already licensed
That's not guaranteed. Most open source software isn't licensed.
and any non-commercial usage doesn't require a license at all.
Not accurate. Some, but not all, non-commercial usage doesn't require a license for the media, but the software still needs a license.
"We don't care. We don't have to. We're the Phone Company."