It can process all of that easily on its servers. But there should then be evidence of this very large quantity of data being exported out of Chrome and uploaded to Google, which I don’t believe there is.
There are some other difficulties, too: no two shopping platforms encode “user completed the order” in the exact same way, so performing that analysis is actually quite hard and not nearly 100% accurate, even if you can get the complete browsing data.
It can process all of that easily on its servers. But there should then be evidence of this very large quantity of data being exported out of Chrome and uploaded to Google, which I don’t believe there is.
There are some other difficulties, too: no two shopping platforms encode “user completed the order” in the exact same way, so performing that analysis is actually quite hard and not nearly 100% accurate, even if you can get the complete browsing data.