We live too far out in the sticks for broadcast TV even with a 150 mile antenna. We get about 5 channels that speak in the english language.From what I'm hearing, dramatic, no, but shift, yes.
I'm not sure how much of that "dramatic, no" is because of the cabletown retention schemes. I listen to a podcast that covers this subject, and they used to have a "chicken challenge," where you'd call to cancel your cable/satellite subscription to see what kind of a deal you could get. For a long time, people were reporting that they were actually getting better Internet service rates if they'd take the basic cable TV package than if they just got the Internet service by itself...
As for myself, I quit DirecTV several years ago when I realized that it was May and I hadn't even turned on my receiver since March Madness. The gal I talked to when I canceled was completely nonplussed when I told her I was replacing the satellite with broadcast TV; she couldn't figure out what it was.
Saved me $170/month, and I don't miss it a bit.
Wife is a TV junkie so we have unlimited data internet, Netflix, Direct TV, jailbroken Amazon Fire stick, Crackle from Sony, and Google cast available and it never leaves the kardashian channel unless I'm watching something which is pretty rare.