This mechanism allows people with more money to enjoy driving in the city or is this congestion prcing based on your salary? no its not its based on the time in the city independent of what you make.
A person with their high end car and miillions now can buy himself a nice little drive into the city while everyone else can't.
Our C-suite and top quant traders at our firm take the train, bike, or walk to the office daily. I asked around my office - no one has ever driven regularly to our office in 20+ years.
The reason why is because driving objectively sucks in the city.
As long as the pricing is absolut and not relative to the owners salary, it is increase inequality.
Poor could also mean the middle class is more affected than the rich class (whatever you call the class above middle).