Earlier quoted context omitted.
It is true that my comment is an ad hom attack, but as it speaks to the motive (and potential hypocrisy) of the speaker, it is not fallacious. It also speaks to the question as to whether or not Thiel has a point, hence the idiom "take with a grain of salt".
The fact that it speaks to his motive is exactly what makes it fallacious. People’s motive’s have nothing to do with whether or not what they are saying is true or false. They are either speaking truth or not. Motives can explain WHY they are saying something untrue. But not IF what they are saying is untrue. You are saying that Thiel has a reason to lie. But you aren’t addressing whether or not he is actually lying.…
I don't understand. Supposedly Thiel "claimed that Google was unpatriotic for dropping the government project Maven" - why are we talking about truthiness? How is this a provable statement?