How can you be "illiterate" if you don't have access to Google's source code to see what they do?
How is 3rd-party analytics essential and obvious to the functioning of a website?
> How can you be "illiterate" if you don't have access to Google's source code to see what they do?
By not knowing that sites work based on requests and responses. And that site operators can see the contents of the requests, otherwise they wouldn't be able to respond.
> How is 3rd-party analytics essential and obvious to the functioning of a website?
Whether it's essential or not isn't related to incognito mode. If that were a problem, I'd think it would be a problem all the time, not just for incognito.