I'm sure it's less of a problem in houses with other materials.
There’s also the problem of sometimes, video calls just stutter and seize up and it’s the internet’s fault, not the local network. But with a wired connection, I am immediately confident the problem is not in my network. With WiFi, who knows, maybe it’s my fault. I used to continuously ping the router so I could verify this, and indeed ping spikes would happen. Now with a wired connection I don’t worry about this.
But yeah if you run no latency-sensitive applications, WiFi might be fine.
I retrofit wired my house[1] about 20 years ago; I only have had a small handful of issues with it in that time (all basically mechanical fatigue of jacks). If I have speed, latency or connectivity issues, I can be reasonably sure the last thing I have to debug is the physical network.
[1] Copper, not fiber, but no runs are over 50m. Works to 10G so far. I used a Leviton residential structured wiring system (network, coax and phone at the time; the last 2 long since obsoleted). I did a lot myself since I'd done enough quality time in datacenters to be adequately proficient with low voltage Cat5. Not cheap but not extravagant.
So worth it as in apartment everyone and everything is blasting wifi. I see like 20+ SSIDs.