What I don’t get is why SONY forces me to shoot AF-C and Wide Area focus in order to be able to use thos 179 PDAF points?! I mean, I shoot mostly AF-S and I would love to have phase detect on this mode too. It seems that the camera reverts to contrast-detect only in this case, and for sure you are not able to select any of the little green dots by yourself.
On AF-C the camera chooses by itself the subject to track. I wish I was able to select myself the subject, and from there to start the tracking. In a way you can overcome this by using Lock-on AF, but you have to start from center of the screen and then reframe. Not that easy in all cases (esp. with fast moving subjects).