[lutusp]

> Smart people can be wrong. Honest people can be wrong. Smart and honest people can be wrong.

All true, and why we have science. But the Jenny McCarthies of the world are so egregious that such charities can't extend to them -- they've been given too many opportunities to access sources of information apart from themselves.

> Focus on the quality of the argument. Focus on the quality of the evidence supporting the argument.

Yes, but after several years of the same pattern, it dawns on you that the problem is not the argument, but its source.