She is trying to imply that Elon Musk isn't paying taxes
Yes she must have seen the responses of Elon Musk and didn't respond on it.
Elon Musk is going to pay a lot of Taxes
To get support of the people that want are against Elon Musk earning a load of money
She is intentionally lying because Elon Musk even Responded to it with the truth.
A very rich person may take no income. For example. Steve Jobs took 1d per year. And paid his way when he sold stock.