Not quite so familiar with this Ed Zitron individual myself, but I agree that critique is best served with precision, clarity, wit, charm, and style. When someone holds a rhetorical position that is correct with regard to reality but articulates said position very poorly, it does a disservice to the discourse at large.

People (albeit foolishly) very well might reflexively adopt an objectively false stance JUST because they don’t want to agree with someone so disagreeable.

Or in other words, sometimes nothing makes an idea sound worse than the enthusiastic support of a moron.