I will restate my original comment more explicitly:

"Because Politifact and Snopes are biased and opinion based, they are not credible to determine whether stories are 'fake'."

I don't think I'm adding content to my original comment here (considering the content of the parent comment), but I admit I could have been more explicit to avoid misunderstanding.

Then my reply to morgante was essentially "no! you!".

Yes, I provided no evidence. I don't care to. What minuscule effect can I hope to have on a tiny handful of strangers on the internet?

I'm happy to just invite reaction and watch my karma as a barometer of HN readers' agreement/disagreement.

Sorry I misused the word "argument". I forgot this was a formal debate.