It'll introduce you to the phrase "wombat thick old cunt" if nothing else.
Having everybody ignore the rules and not change them is the worst possible outcome.
And yet, it's what we have.
Driving is a complex mix of the statutory, the habitual and the negotiated. Getting a car to obey the first is the easy part. Good luck with the other two. Especially the third. When a driver flashes his lights at you at a junction, what do you do?
The real world is messy and the corner cases kill you. If you're fortunate, you work in an industry where that's metaphor. If you're unlucky you work in an industry where that's a literal truth.
Perhaps the biggest argument I've often made for this is the fact that every single time there is a fucking terrorist attack in the West, it turns out that the perpetrator was known to security services.
While I agree with your sentiment, the corollary to that is just how many people are known to the security services? How many people do they try and recruit? We're turning into East Germany in the 1970s except that we have better technology and we're actually voting the fuckers in.