

You don’t have to be logged in because you’ve got a digital fingerprint.
I would hazard a guess that they’re using google analytics to collect this data, and google is creepy and knows everything. Maybe they got you to tell them your age at some point, or they can use the vast amount of other data they have to estimate it with probably-super-creepy accuracy.
This is the subheading on the article (emphasis added):
So why let drivers off the hook? You seem to care about safety, but then support enforcement that disproportionately affects those who are doing less harm? There’s no logic, it’s just vibes.
Culturally, we accept drivers causing a significant amount of death and destruction, but get so mad about anyone else. It’s not rational.