Interesting grounds for a discussion, if you'd like to read something a little more succinct than what OP posted oriented towards big data specifically check out the essays here > http://idlewords.com/talks/
in particular you might enjoy "Haunted by data" and "Deep Fried Data"
Personally I think people will adopt an alternative that respects their freedom if it is made attractive enough.
Manufacturing FOSS alternatives could lead to a quickening effect along the lines of what the unabomber described in his manifesto; tech companies rely on constant growth to keep their investors satisfied, if they experience even a momentary decline in their user base, the investors WILL lose confidence in big data.
Widespread circulation of articles like > http://business.time.com/2012/08/07/do-facebook-ads-work/
and other information exposing targeted advertising could have a chilling effect on the ad industry and consequently on the revenue streams of companies like google and facebook.
I found another really good (scientific) paper about how targeted ads and big data was a giant fuarrrking fugazi, but I can't find it anywhere.
Remember the first dot-com boom and bust? A second one is coming, soon. All it'll take is a catastrophic leak (like the one yahoo had) to shake investor confidence and before long all the rats will start jumping ship, when the tree falls the monkeys follow.