Opinion of the quote: "Our grandchildren will look at us...as slaveholder equivalents"

[LBJer]

It forgot to mention the mass murder of animals.

How exactly does one "murder" an animal?

By killing them?

Murder is the killing of a human being.

The word "murder" is used in two basic ways.  One is as a legal term, and the other is as a personal moral judgment.  You are using the first definition, and according to that one you are correct.  However, the second definition of murder is much more subjective, and using that one, a person might well view the killing of animals for reasons s/he considers unjust to be murder.  

[LBJer]

It forgot to mention the mass murder of animals.

How exactly does one "murder" an animal?

By killing them?

Murder is the killing of a human being.

The word "murder" is used in two basic ways.  One is as a legal term, and the other is as a personal moral judgment.  You are using the first definition, and according to that one you are correct.  However, the second definition of murder is much more subjective, and using that one, a person might well view the killing of animals for reasons s/he considers unjust to be murder.  

Aren't you the guy that said hunting was the greatest moral failure of noted philanderer and killer of Vietnamese children Lyndon Johnson?

By your logic, should FDR be labeled a "killer of German and Japanese children"? 

I agree that unlike Vietnam, WWII was a just war, but even when a war is unjust, unintentional deaths of civilians are not generally considered murder, even if they are by some. 

And yes, it is at the very least quite reasonable to view hunting more negatively than having consensual sex with someone other than one's spouse.  Get real. 

[LBJer]

And yes, it is at the very least quite reasonable to view hunting more negatively than having consensual sex with someone other than one's spouse.  Get real. 

It is a defensible position but it should not surprise you that it violates most people's moral intuitions and thus provokes skeptical or befuddled reactions.

First of all, where's your evidence for that assertion?  Secondly, if it indeed does, that means that "most people's moral intuitions" are seriously questionable.  "Most people's moral intuitions" used to say that homosexuality and interracial marriage were wrong.