This article is useless trash. There is no real technical argument here except "founder bad".
I do have reasons for not using Brave, but it's to do with the annoying defaults and the crypto integration. They default whitelist Google, LinkedIn, and Facebook garbage that I have to go and toggle off.
Given the level of effort and extensions like Facebook container on Firefox, I just prefer the better experience for me. This bullshit about getting on identity politics agendas I find abhorrent and repulsive. This author's a stupid fuckhead.