A right-wing anti-Semite is more likely to phrase it that way than a progressive one,
Well how would a progressive anti-Semite tell people he hates Jews?
He'll say something along the lines of: "The Zionist lobby makes Congress send aid to Israel." If he wants to be really obvious about it, he'll endorse Gilead Atzmon.
Suppose I told you that I knew for a fact that the following statements were true:
You’d think I was crazy, right?
Now suppose it were the year 1901, and you had to choose between believing those statements I have just offered, and believing statements like the following:
Based on a comment of Robin Hanson’s: “I wonder if one could describe in enough detail a fictional story of an alternative reality, a reality that our ancestors could not distinguish from the truth, in order to make it very clear how surprising the truth turned out to be.”1
1Source: http://lesswrong.com/lw/j0/making_history_available/ewg.