Well, yes we could...
... but there's all these commercial interests paying us lobbying us to let them snoop on everything you do monitor activities anonymously, because that information can be sold on can be used to improve their services...
The US Federal Communications Commission (FCC) has been urged to put in place stronger protections for broadband subscribers' privacy. A letter [PDF] written by a coalition of 59 activist groups from across America demands that FCC chairman Tom Wheeler fast-tracks proposed rules that would restrict the ways broadband service …
Isn't that on by default in android and chrome?
Better yet, surf the net on chrome on stock windows 10. Once everyone has your data you will literally have nothing to hide. Added bonus, the more people have it, the less it is worth on the market, so the less reward for the collectors.
It's always been good practice to not give your ISP all your browsing info. People are already moving in that direction by using VPNs. Here is yet another reason to do so. Actually even just not using their DNS servers can go a long way. Try OpenNIC for example.