That's an argument for them being a monopsony, not a monopoly. And since they were colluding with other companies, it fits the definition of a cartel better.
Read all the way through to the third article. It does go into which kinds of guns are used in homicides, which is much easier data to come by (and perhaps more relevant to the concerns at hand).
From TFA: Another attack on Samsung Smart TVs was published last week that used malicious commands embedded in broadcast TV signals.
So, even if it's airgapped, a tv that's been compromised in this way is effectively a hostile general-purpose computer with a wifi card running inside your house.
If this is something you would do for a Klondike bar, then go ahead. I'll keep my dumb TV and my Kodi box, though.