He's not going the one true scotsman route. He's actually saying that there _isn't_ such a thing as a true scotsman at all, because each group of scots has its own ideas of what a "true scotsman" is -- which is a pretty insightful point to make.
There is no such thing as a 'true' libertarian, because many groups with only tangentially related credos have adopted the name as their own, and many groups have distanced themselves from the 'libertarian' label even though they espouse beliefs closely related to what is often understood as being libertarianism. It follows that, when you criticise people for being
We don't seriously expect Hacker News to mostly carry news about the newest exploits and defaced sites, do we? Same deal, talking about libertarians doesn't necessarily correctly identify the population you're targeting.
There is no such thing as a 'true' libertarian, because many groups with only tangentially related credos have adopted the name as their own, and many groups have distanced themselves from the 'libertarian' label even though they espouse beliefs closely related to what is often understood as being libertarianism. It follows that, when you criticise people for being
We don't seriously expect Hacker News to mostly carry news about the newest exploits and defaced sites, do we? Same deal, talking about libertarians doesn't necessarily correctly identify the population you're targeting.