They weren't appealing to authority though. An appeal to authority is "It's true because Snopes says so", they just linked to Snopes' reasoning as a shorthand f

They weren't appealing to authority though. An appeal to authority is "It's true because Snopes says so", they just linked to Snopes' reasoning as a shorthand for repeating the reasoning themselves. If Snopes didn't provide their reasoning, it would be an appeal to authority.