Scott Helme, a security researcher has an article on EV certificates and some of the issues with them in an article from December 2017 (
https://scotthelme.co.uk/are-ev-certificates-worth-the-paper...). There was some discussion on this when it was originally submitted to HN at
https://news.ycombinator.com/item?id=15850837.
Adam Caudill also has some insight here: https://adamcaudill.com/2017/04/09/looking-value-ev-certific...