Sure you need special equipment to terminate, and you could hire someone to do it in a few hours after you have put the wires in the wall. Intuitively I would imagine that it costs less than the hundreds of meters of expensive wire you would have to buy for a house wired with Cat7 …

Slightly related question. At what point is it easier or cheaper to lay fiber throughout your home, rather than CAT with higher and higher insulation?

Is there a more reputable source to confirm this?

I thought that both Ios and android will kill apps that are in the background after some time. Also there are apps that can start automatically in the background when the phone is started like google images which uploads pictures. Why wouldnt a malicious app hook into the same place?