Brave doesn't have the features offered by those extensions, it doesn't have anything equivalent to multi account containers, it doesn't have DNS emulation (unless you install Decentraleyes) and it doesn't auto delete cookies (you still need to install Cookie Autodelete). The built in ad blocker is not as advanced as uBlock Origin and that's why I installed the latter as an extension (I turned off the built in one). Anyway IMHO the biggest limitation currently is the lack of containers, because it needs to be built into the browser, there is no 3rd party extension that can give you that.

Firefox’s Tracking Protection blocklist blocks many known fingerprinting scripts by default.

Firefox also has an active fingerprinting protection mode that spoofs the unique values returned from some JavaScript APIs (such as locale, time zone, screen dimensions, WebGL), but this feature flash is currently buried in about:config because it can break websites. How to enable fingerprinting protection anyway:

https://support.mozilla.org/kb/firefox-protection-against-fi...

Because cryptocurrency is a scam.

With Brave you will still see personalized ads on some sites which I do not want see