Dirk Bruere at NeoPax wrote:

The biggest argument against the ET Hypothesis is Transhumanism.
http://www.humanityplus.org/learn/philosophy/faq#answer_19

The alleged ETs are just *too* primitive technologically.
http://www.kurzweilai.net/meme/frame.html?m=1

Their technology is about the the level that a scientific illiterate is able to imagine.

wolf k.