This typically happens after a software update, where Samsung reactivates this setting.
Its also a subtle way to encourage you to try their service.
Unplug the TV for 60 seconds and then plug it back in.
Ivan Makhynia
This will dump the memory cache, which stores temporary files related to your TVs current parameters.
Turn off Samsung TV Plus
Apps on your Samsung TV can be launched automatically for your convenience.
The TV will then launch the YouTube app by itself.
The same applies to Samsung TV Plus, which can also launch automatically.
To prevent this, confirm to chooseDisableinstead.
Once the channels are removed, the app wont launch since it has nothing to display.
The previous methods are more reliable, but you’re able to still give this a try.
