I think the point is that in a genuinely rich country (as opposed to a country where 0.3% are rich and 99.7% are fooled into thinking they could be if they just

I think the point is that in a genuinely rich country (as opposed to a country where 0.3% are rich and 99.7% are fooled into thinking they could be if they just worked harder) the state income from taxes are sufficient to properly fund public infrastructure such as buses to the point where taking the bus is something you find yourself doing equally often as driving no matter what your income is.