Paleo Diet

There is a lot of talk about Paleo Diet. I came across a couple of articles which warn us about the negative effects of the Paleo diet. Is it safe for adults ?

http://www.aww.com.au/diet-health/diet-and-nutrition/2015/3/pete-evans-paleo-diet-book-for-babies-facing-ban-over-public-health-fears 

http://www.aww.com.au/news-features/in-the-mag/2015/2/health-bodies-warn-paleo-not-a-cure/