Your personal prejudices on the subject are immaterial. The indisputable fact is that he received the money from people who gave it to him in exchange for his services. All transactions were entirely voluntary. That's the meaning of the term "earn." Tax money, on the other hand, is taken by force.
What he said is correct. Tax cuts are not "investments." Democrats have to change the definition of every word they used because they are criminals trying to justify theft.
Anyway, Democrats more often define 'spending' as 'investment' and justify tax increases because 'we have to invest in this or that'. THAT is what we should be demanding evidence of results for, but unfortunately we have a mostly partisan media who won't do that.
The idea that taxes are 'investments' is ludicrous on the face of it.
Here let me help you out a little, building a road is an investment sending troops into the desert to defend family honor is spending.
So tell me, is providing pell grants and other student aid for people to get wothless college degrees like art apreciation or womens sudies an investment or spending. These degrees won't even get you a job at Burger King.