Baths kill more Japanese then guns kill Americans

[Marengo]

171. Uh, In post 14, did you state that registration would prevent you...

from attempting to assassinate a public figure?

"My car is registered. Passing cops can automatically run my tag with a scanner.
You know my car is coming because it is not under my jacket pocket.
I carry extra insurance to cover the societal costs my car may incur if I misuse it.
I had to attend state-mandated training to drive my car. My credentials must be kept current. They are a public record.

Looks like a no

The fact that he didn't succeed in his goal in harming the Dutch royal family is a red herring introduced by you. He DID successfully use his vehicle to commit homicide, which is the only relevant point in this discussion. Homicide, NOT prevented by registration, police presence, or the face that a car can't be concealed. Obviously, such things didn't make him more "trustworthy".

"Hilariously, my opposite number seems oblivious to the fact that his cherry-picked incident made my primary argument for me

It's you who is oblivious, to think that no one would easily recognize your "primary argument" in regard to tool choice as a red herring.