Building without antenna and SAT-CAT cable without conduit?

Hi,
we received the electrical change order offer today (ouch), and the company basically gets peanuts in the offer because we have canceled both the antenna and the satellite connection.

Now I'm wondering if we're that far off the mark / if I missed something. The antenna is that old-fashioned cable through which in the 90s you could only get ARD, ZDF, and some regional channel, right? Are there more channels now? Do you need it? "Does everyone just have something like that"?
We currently have a satellite dish on the roof, but I think the last time we used that thing was... I don't know? 8 years ago?
So we considered not installing a satellite connection either. We simply don't watch TV via satellite. I hate commercials, when we turn that thing on we watch something via streaming, and if we have free time we usually do something other than watching TV anyway.

Are there any compelling reasons why we should have satellite/antenna installed that I'm overlooking?

Topic 2: The electrical offer states that the CAT cables are to be installed without conduit. I would prefer them with conduit so that I can have them replaced if necessary. Would you do that? Or is it unnecessary?

You can easily do without SAT in times of Zattoo etc. CAT is absolutely necessary in the empty conduit. I believe even the standard requires that. For me, it would primarily be about damage rather than interchangeability. If you look at the thin wires of a CAT cable, it actually makes sense to protect them.

SAT can easily be omitted nowadays with services like Zattoo, etc. CAT must absolutely be in the empty conduit. I believe the standard even requires this. For me, it’s primarily about preventing damage rather than interchangeability. If you look at the thin strands of a CAT cable, it actually makes sense to protect them.

Do you have a link to the standard? I’d like to throw that in their face.
Edit: Since linking is not allowed – do you have a term I can Google for?

Attention, dangerous half-knowledge and only copied from another source. However, it can still serve as a reference:

1. In DIN 18015-1 there is also a section 6 "Communication systems," which was explicitly included there due to the special requirements for communication cabling. Under 6.1.1 "General" in the 2nd paragraph it states, "Cables and wires must be laid in a way that they are replaceable, e.g., in conduits or ducts, unless they are installed on the wall surface in special cases (see T-Com 731 TR 1)." This takes into account the fact that communication technology cables may indeed need to be replaced with cables of higher performance due to growing demands from the ongoing technical development of applications. Incidentally, this is nothing new. Even during the times of Deutsche Bundespost (i.e., before 1990), according to their Technical Guidelines, telephone cables were to be laid either flush-mounted in conduits or as access points and thus could be replaced at any time.

2. In DIN EN 50174-2 (VDE 0800-174-2) it says in section 4.5.1 Requirements: "The selected cable routing system must allow the installation and removal of the cable without the risk of damage." This also means that direct flush-mounted laying of communication cables is not permitted.

3. Standards, and thus both DIN 18014-1 and DIN EN 50174-2 (VDE 0800-174-2), are basically "only" recommendations at first and must be expressly contractually agreed between the contracting parties. However, with standards developed by DIN or VDE, there is a legal presumption that they represent the "recognized rules of technology." That means every qualified expert will refer to the minimum requirements from these standards when preparing an expert opinion, even if nothing was agreed between the contracting parties – and so will the courts!

Network cables in my case would only be installed in empty conduits and the whole setup would be designed to be accessible.

How fast will the internet connection be? What type of connection will it be and which provider?

I don't know who wrote this just now, but if "Leerrohre" are filled with CAT or other cables, they are no longer empty. They then become "Schutzrohren".

And that is what has already been written above and also, in my opinion, should not be done differently. But say goodbye to the idea of pulling the cables out there and pulling others back in. This usually does not (never!) work with more than one (tight) bend. CAT7 PIMF cables in - done.

P.S. Maybe antenna cables after all? Probably costs 1K for the whole single-family house with dish and distributor (so minimum unit in construction).