[final]

I think he's saying that in the last few years Google has become extremely thirsty for all king of user data. Their latest Android apps by default send a ton of personal data to the Google servers. E.g. the Android keyboard periodically uploads a list of the hundred most often typed words, unless you go to settings and disable this "feature".

[serf]

I think he's saying that any modern phone has firmware on it that has the keys owned by a third party other than the purchaser of the hardware. Anyone with the keys can potentially be 'thirty for user data', which may include "Peaceful-country-turned-regime's" 's, new owners.