In Germany, you may also use the built in DVB-C receiver of the TV for free TV and an additional CI module + card for pay TV. But cable companies want you to use their set top boxes.
But, yes, if you use a set top box an extra speakers with your TV, the TV basically becomes a large monitor with a remote (which isn’t necessary as the set top box usually comes with a remote).
The last champignon dish you’re going to prepare.