Public DNS is just one of the many free services that Google provides in order to slurp up every single possible activity that happens on the internet. Visit this website in your logged-in Google browser tab:
I don't know what it says for you, but for me it lists everything I do in my life. The restaurants I look at in the Seamless app. The Reddit posts I clicked on in the Reddit app. Every single YouTube video I watch. Everything I search for. All of the places I went yesterday and in the last 6 months.
And these are only my "explicit" actions. Now imagine that Google also passively knows every single web address I look up via DNS? We share private browsing sessions to them all the time regardless of in-cognito mode or any other privacy safeguards.
https://myactivity.google.com/myactivity
I don't know what it says for you, but for me it lists everything I do in my life. The restaurants I look at in the Seamless app. The Reddit posts I clicked on in the Reddit app. Every single YouTube video I watch. Everything I search for. All of the places I went yesterday and in the last 6 months.
And these are only my "explicit" actions. Now imagine that Google also passively knows every single web address I look up via DNS? We share private browsing sessions to them all the time regardless of in-cognito mode or any other privacy safeguards.