If you find yourself still on Facebook – but worse: You find that their latest tactic to keep you in their walled garden by not making URLs clickable actually works on you. That is, if you are less likely to mark a text URL to right click and open it than you are likely to just click a link, here's your solution:
This extension will make text URLs into clickable links: https://addons.mozilla.org/en-US/firefox/addon/url-clickifier-20250811/