So, that website pulls my least favorite "social justice" trick: pretending that every oppressive action is willful and premeditated. A lot of those issues are very, very subtle from a privileged POV, and it doesn't do a damn bit of good to pretend otherwise.

That web-site's tone is more than a little offensive. If you're going to sink that low that quickly I'm just going to outright refuse to have a discussion with you at all.

You might be interested that 'Derailing for Dummies' is nothing but a rhetorical escape hatch, used mainly to declare victory without actually making a logical argument.

http://rationalwiki.org/wiki/Escape_hatch

Given that the author is a senior mathematician and cites studies freely means that at least part of what you linked to doesn't apply.

However, I think that the use of 'Fact' as a section heading was more a rhetorical device than anything else/