I also don't understand how wealth and income can be conflated like this. We have an income tax, so, no duh, we tax income, not wealth. Criticizing the income t

I also don't understand how wealth and income can be conflated like this. We have an income tax, so, no duh, we tax income, not wealth. Criticizing the income tax because it doesn't tax wealth is like criticizing sales tax because it doesn't tax property values. They aren't the same. I don't get how ProPublica can take such a stance. Either it's intentional, which is bad, or it's unintentional, which is even worse?