Agreed However, as a lambda user, by buying an android phone and following the default "init procedure" you would have a G+ account without really asking it.. I

Agreed However, as a lambda user, by buying an android phone and following the default "init procedure" you would have a G+ account without really asking it.. If you disable it, if you try to do something on YouTube, your G+ account will come back as herpes comes back... The problem is not really what is possible to do but how much effort is needed to protect his privacy using google tools.