It's worth noting how intentionally deceptive this is. Yet Saez and Zucman decided to simply leave them out of their analysis. Fair is good. It's hard to overstate how nonsensical this comparison is (which is perhaps why it's never been done before). The biggest takeaway from the ProPublica data reveal should be just how much the data lined up with what we already know.
sized is has five n's and less than a billionaire.
( z0 and :op ( z1 have :ARG1 ( z2 and :op ( z3 string-entity :value 5 ) :op ( z4 less-than :op ( z5 billionaire ) ) ) ) :op ( z6 thing :ARG0-of z1 ) :rel ( z7 size ) )
(z0 / and
    :op1 (z1 / have-03
             :ARG1 (z2 / and
                       :op1 (z3 / string-entity
                                :value 5)
                       :op2 (z4 / less-than
                                :op1 (z5 / billionaire))))
    :op2 (z6 / thing
             :ARG0-of z1)
    :rel (z7 / size-01))
sized is has five n 's and less than a billionaire .
z3 :value 0
z0 :op1 z1
z2 :op1 z3
z1 :ARG1 z2
z2 :op2 z4
z4 :op1 z5
z0 :op2 z6
z6 :ARG0-of z1
z0 :rel z7