Anheuser-Busch Heir Says Bud Light's Transgender Ad Was Insult to Beer Drinkers

The heir to the Anheuser-Busch fortune is appalled the company that bought his family out used a transgender person to advertise Bud Light ... saying, "My ancestors would have rolled over in their graves."

Billy Busch (not the host of "Extra") appeared on "TMZ Live" Friday to discuss his new book, "Family Reins: The Extraordinary Rise and Epic Fall of an American Dynasty," when Harvey asked him about the Bud Light ad featuring Dylan Mulvaney -- a move which triggered a massive boycott.

Busch believes the company that succeeded his family should never have put a transgender person on a Bud Light can, arguing beer drinkers "want their beer to be truly American," adding, "I just don't think the audience that drinks beer is into transgenders."

He went on, saying, "People who drink beer care about wholesome things."

Busch argued being a transgender person is a sexual preference, and Harvey shot back, "It's a matter of identity, not sexual preference."

That triggered a whole argument about prejudice, but Busch was adamant -- he feels the successors to Anheuser-Busch screwed up royally.