Brave is run (and backed) by multiple people who have actions that have been morally indefensible, which casts doubt over their ability to indefinitely refrain from enshittification and question whether they aren’t already doing something nefarious.
Examples:
https://web.archive.org/web/20181224011529/https://twitter.com/tomscott/status/1076160979388518407 https://www.theverge.com/2020/6/8/21283769/brave-browser-affiliate-links-crypto-privacy-ceo-apology
One vote for tracker control so that any apps w/ tracking software have a harder time also.