"Why? Evolution would probably say that consciousness is needed for our survival or was needed so far..."
This is my point. It is needed for our survival and thus completely necessary, not the misaligned add-on mistake that N. sees it as.
("Although it wasn't needed before we were conscious") "I don't think that N. sees anything as completely a mistake - consciousness is over-rated but still necessary."
The likely evolutionary path of the human race:
The 21st century needs its own philosophy; here it is: