[purew]

Why have the tv connected to internet or your network?

The parent mentioned an Nvidia Shield, I also use the Shield for all streaming needs.

The tv is simply a dumb monitor. The only attack surface would be the single hdmi cable between receiver and tv.

[happymellon]

And my shield now displays ads.

Not just ads for TV shows, but the top banner was showing jewelry adverts over Christmas.

If it had been like this at first, I would never have bought it.