This seems unethical, as I consider these messages as unwanted advertisements for MLM crypto projects. Brave removes paid ads from the internet, but subjects me to in-app advertisements for pyramid schemes (Sorry, I mean ground floor crypto investment opportunities).
Background: I think BAT is fine and have no problem with it if it is communicated in a user centered way. Trying to fix the web's business model is an interesting experiment.
[1] "Upland: Blockchain Metaverse - Flip virtual properties. Earn UPX. Sell for $. Signup Bonus" https://twitter.com/ozten/status/1459578272094720000