I think this is a fair argument for an average person to make and should unite many republicans, democrats, Independents, gays and straights, men, women and parents. BUT, Tim Cook is no average guy and I see him as being just as much on the hook as well. When companies collect, track, and sell our information (big data), make it available to 3rd parties, use it to market additional products, run social experiments on us, deprioritize certain options when we browse while prioritizing other choices because of our browsing and spending habits, they ALSO put our privacy at risk as well impact our ability to make everyday decisions. Marketing today is very much about collecting and tracking everything we do electronically, running algorithms to PREDICT our behavior and then using it.
The Tim Cooks, Zuckerbergs and other tech guys of the world are all just as accountable. Sure, I think they care some about government overreach into our lives, but I think they care even more about the government regulating a corporations use of our personal data, and other companies getting ahold of their "competitive human intel." By collecting and tracking our personal data, these companies have already violated our privacy. If they didn't collect the data on us, what would the government have to monitor in the first place?