People should take this list with a serious health warning. Firstly, a lot of this is just 'internet sleuth'ing and innuendo. Plenty of companies want to operate multiple services to be able to use different marketing and differentiation strategies. Secondly, the fact that the site is funded by affiliate links to a coupole of the big VPN services should really ring alarm bells. I trust we all learned from the Mattres…
Did you even read the article you linked? Nowhere in that article it says that NordVPN is ran by the same guy as data harvesting company. Also the same article you linked says in the end: "However, after thoroughly investigating this recent “scandal”, we still feel confident that NordVPN is still one of the safest VPNs around. It’s quite possible that its rapid growth and increasing popularity are part of the reason it’s being attacked by other VPN providers."