The article includes one of the interviewees being skeptical that various ISP will be safe from this sort of overreach (specifically, Sonic), as he says they are all in a "race to the bottom".
Thankfully, Sonic is privately-held, so the spectre of shareholders demanding violating their customers' privacy is not a concern.
Full disclosure: I'm one of the owners, and we have always taken the privacy of our customers very seriously. We've used the analogy of the phone company listening in on phone calls for marketing purposes -- that would be very creepy, and so is this bill from Congress.