Yes, I did a lot of reading into how economics work after the 2008 financial crash.
It's intriguing, fascinating and utterly terrifying.
Of course people who earn more pay more tax. It still, on the whole, leaves them with sufficient money to pay their outgoings. Many of these people also have personal wealth accumulated in property, investments etc.
Lower earners pay less tax, and many don't have sufficient money to meet their basic needs, hence the situation we have that one of the richest countries in the world relies on donations to food banks to feed the families of lower paid workers.