Hi gil,
i would like to refer you to a website for question on " what is the meaning of our existence" . i would also suggest it to any other inquisitive mind / person to read this. this is a philosophical discourse. here is a link -
http://www.swami-krishnananda.org/self/self_pre.html
hold on to your ctitiques, i shall be starting a new blog. Coming soon - a blog for science and philosophy.
thanks,
yogi