I wish there was a way to keep track of the new forks/browsers stemming from this.
Would like to try different chromium browsers that supports extensions, hacks and modifications.
Out of all activities you listed, just 3rd party Cookie blocking and using any "login with Facebook" buttons would give the same result for Web. I don't think any of the activities you listed would prevent the data collected through apps though.
This is really groundbreaking but it got less noise than I thought it would.
Adhell (an app that is capable of doing system wide ad blocking along with many other things thanks to Knox which is Samsung-only capability) was the main reason I stayed with Samsung for years. Now every phone with Android Pie will be to use dns based ad blocking in all networks without running an annoying app in the background.
"Polymath in tech" is by nature not in line with the article IMHO.
Let's assume you are a tech expert, now try to be a master chef or PhD in sociology or Olympic gold medalist in rowing etc
I think the article mentions people who are able to master at complete different fields.