Because he stated it and used a citation to support it. I’m entirely agnostic to what the claim is, what ideology it supports, or even whether or not it’s true

Because he stated it and used a citation to support it. I’m entirely agnostic to what the claim is, what ideology it supports, or even whether or not it’s true. You use a citation to increase the credibility of you claim or argument. If the citation doesn’t actually say what you said that is a problem. If I said aliens are real here is proof and cite a lasagna recipe that’s a problem