This comparison is not very in depth, I wonder if they benchmarked Passenger on NGINX versus Puma behind NGINX. I also am not very sure why they are so negativ

This comparison is not very in depth, I wonder if they benchmarked Passenger on NGINX versus Puma behind NGINX. I also am not very sure why they are so negative about Unicorn, I haven't heard such bad reports about it before. What setup do you guys prefer, and why?