>> Anyway, big rigs have loose steering because they need precision at highway speeds.
The opposite is actually true. Big rigs have loose steering so that the driver will Not jack knife the truck in a panic situation.
A tighter steering rack is Much more precise. Street tires, and especially racing tires, work best (have the most grip) at very narrow slip angles.
Here's a Wikipedia about the "friction circle" as racers call it. "https://en.wikipedia.org/wiki/Circle_of_forces#:~:text=From%..."
Here's a Great video shot at the Nürburgring showing an astonishing lap record of the Porsche 919 Hybrid race car, precision personified... Enjoy!