They are fully capable of extracting profile data from you even if you’re in incognito/private mode. And it doesn’t matter what browser you are using. My colleague was demonstrating techniques to do that with methods he personally figured out in one day in a hackathon in 2015.
Google has been actively researching and developing such techniques about as long as they have existed. I find it improbable that they would actually delete this data.
They are fully capable of extracting profile data from you even if you’re in incognito/private mode. And it doesn’t matter what browser you are using. My colleague was demonstrating techniques to do that with methods he personally figured out in one day in a hackathon in 2015.
Google has been actively researching and developing such techniques about as long as they have existed. I find it improbable that they would actually delete this data.