Which issues made Neal Boortz controversial?

Neal Boortz stirred up plenty of debate with his sharp, libertarian-leaning views, especially his strong opposition to income tax and his calls for a flat tax or even abolishing the IRS altogether. He also drew fire for his blunt, often sarcastic commentary on social issues like same-sex marriage, abortion, and affirmative action, which many listeners found too harsh or insensitive for family-friendly radio.