Judge the quote on its content, not the messenger. The only instance in which shooting the messenger is valid is when we rely on the messenger's credibility in evaluating the opinion, which is not the case here, at least for me.
In other words, it's content that wouldn't look at all out of place on a right-leaning website's "This is why liberals are bad" section.
> The conservatives are fools: They whine about the decay of traditional values, yet they enthusiastically support technological progress and economic growth. Apparently it never occurs to them that you can’t make rapid, drastic changes in the technology and the economy of a society without causing rapid changes in all other aspects of the society as well, and that such rapid changes inevitably break down traditional values.
Dr. Kaczynski is an anarchist who opposes virtually all political establishments.
Much unlike the other one which implies that leftists are all about power as opposed to what they say they are.