short script to redirect blocked youtube videos to youpak which usually works great.

youtube-unblocker.user.js

// ==UserScript==
// @name         youtube blocked video redirector
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  if a video is blocked, embed the same video from a non-blocking site
// @author       bog
// @match        https://www.youtube.com/watch?v=*
// @grant        none
// @run-at       document-idle
// ==/UserScript==

(function() {
    'use strict';

    if(document.querySelector("#player-unavailable").getBoundingClientRect().width !== 0) {
        var embedUrl = window.location.toString();
        embedUrl = embedUrl.replace("youtube", "youpak");
        embedUrl = embedUrl.replace("/watch", "/embed");
        embedUrl += "&autoplay=true";

        for(let elm of document.querySelectorAll("#player-unavailable > *")) elm.remove();
        document.querySelector("#player-unavailable").insertAdjacentHTML('afterbegin', '<iframe style="width: 100%; height: 100%" src="' + embedUrl.toString() + '" frameborder="0" allowfullscreen></iframe>');
    }
})();