Why the cheap shot at libertarianism at the end? As if fewer regulations and more personal freedoms are only interesting to "crazy techies?" This throwaway line

Why the cheap shot at libertarianism at the end? As if fewer regulations and more personal freedoms are only interesting to "crazy techies?" This throwaway line really damaged the credibility of the post for me because it got me wondering what kind of creepy social engineering project this person may be aspiring towards. Why did she think that the main criticism she had to get ahead of was that they would make a city where people were too free, as opposed to making an Orwellian surveillance state, or a company town or something?