Librewolf is to Firefox what Chromium is to Chrome, essentially. Removed many bloated Mozilla anti-features, has sensible (but not paranoid) privacy and security defaults and ships with uBlock origin pre-installed. You can archive all of that with Firefox, but Librewolf makes things easy for you.

…to get a working config, you need to learn a whole new programming language and figure out the tweaks for each package you want to install, so I’d argue the journey is just as long