I think Chrome, Edge, and Brave are all Chromium-based, so you won't need to switch. You can use Chrome Mask on Firefox for such sites: https://addons.mozilla.org/en-US/firefox/addon/chrome-mask/

Edit: I researched a little more. For typical users and use cases, Firefox works ok (better with privacy extensions). What the article describes is more like browser-engine-based targeted attacks.