Its like some random social media account shows up and you never signed up but a profile for you has already been made and has all these photos you never even shared on there because someone chose to upload them in your place.
Facebook literally does this, they just never let you see it, it's internal for advertising purposes
This is how political parties work. And, the "founding fathers" were aware of it too. They just thought that somehow the US was special and would magically avoid this problem.
Well at least one of them tried to argue against having political parties in order to avoid this problem
It's not like it was a complicated site, they just rebuilt it in some modern framework on the cheap.