I have no idea. I'm sure all data will be investigated by dark forces anyway. PC or phone.
I have no doubt that is true. But I am not inclined to make it easier for them by sticking my head in the noose. Besides the privacy concerns, it irks me that they take our data and sell it making money from it. We should get a cut since it is ours, n'est-ce pas? 
The data many guys have added to the SOHC forums, learning by doing the hard way must be worth a lot!
Add an AI search engine that can create books about service, restore, modify, more power etc in a few minutes.
I sometimes get thoughts about "free" apps and what they will gather.
Chinese shopping sites apps are known to collect data from the user.
I paid not much for a lifetime license for Tapatalk when they had that option.