My point is not that it’s not weird at all, it’s that in addition to quoting completely false numbers, you put forward a comparison that makes absolutely no sense. The numbers compared are not “weird” or “not weird”, they are absolutely not comparable.
The technique they use does not really change to the issue.
It’s also not necessarily more secure than third party cookies like you claim? You can refuse those cookies and not all website use them, while all website ends up in browsing history.