Please don't mock my terrible scripting!
// ==UserScript==
// @name Baduk Link Fixer
// @match *://*.reddit.com/r/badunitedkingdom/*
// @version 1.1
// @author Betamax_17 (China Sexpat)
// @description Please don't mock my terrible scripting!
// @namespace Gammon Space
// ==/UserScript==
[...document.links].forEach(item => item.href = item.href.replace('/v/', '/r/'));
[...document.links].forEach(item => item.href = item.href.replace('reveddit', 'reddit'));
[...document.links].forEach(item => item.href = item.href.replace('unddit', 'reddit'));
[...document.links].forEach(item => item.href = item.href.replace('nitter.net', 'twitter.com'));