There are issues with trusting CA in PKI, but you have to recognized that this is still a good model. What we have to worry about is insider and protecting contract integrity. There are other ways Google can collect statistics and there are items Google don't need and absolutely have no use. In the past people discovered Motorola collecting/logging http requests you are making and this is the kind of things Google should not collect. Protecting whether a malware has been installed in Google's server or a hub is attached at AT&T network room are all necessary things to do.
In any case, if PKI trust model is broken, then nothing can be trusted. Decentralized network relies on a degree of trust in the software developers and the hardware engineers.