I am a heavy user of Brave and I would love for you to expand on what you mean.
For those curious, here is the open-code repo of all Chromium changes Brave applies. I have not read every commit myself, so any flagging would be appreciated: https://github.com/brave/brave-core
They've made good changes after community backlash but their core business model is mostly middle-man stuff with a splash of crypto on top. Firefox's is the Google search engine deal. Pick your poison, I guess.
For those curious, here is the open-code repo of all Chromium changes Brave applies. I have not read every commit myself, so any flagging would be appreciated: https://github.com/brave/brave-core