The general sense I get from snopes is that they are politically liberal. They call the whole clinton dead bodies list a urban legend but cannot explain it. Anyone with enough of a brain to get to the bottom of the real urban legends should be able to look at the dead body list and see that something is not right there.
So it does not surprise me that they'd deny anything that is anti-liberal.
God Save America (Please)
Sometimes it is in the phrasing of the summary statement of the rumor (a different word here or there and the statement can shift from (Green)True to (Red)False or (Yellow)False with some truth or (grey)Unsubstantiated).
Here's an article, I could site some other observed examples: