The 16th didn't give us a new tax or create any new taxpayers - USSC in Brushaber v. Union Pacific
Maybe not, and I'm not a lawyer, but the way I read the 16th Amendment, if you want to drive a stake through the heart of the income tax, you had better repeal that amendment.
Amendment XVI - Income taxes authorized. Ratified 2/3/1913. Note History
The Congress shall have power to lay and collect taxes on incomes, from whatever source derived, without apportionment among the several States, and without regard to any census or enumeration.