If you're in the nonprofit YouTube program we can allow bulk copying of only link end screen elements. To enable this,

  1. Run chrome console (ctrl+shift+I). For FireFox, it'll be the same input.
  2. Click the Console Tab
  3. At the bottom where you see the > symbol add a cookie by entering document.cookie = "tbnonprofit=1; expires=Fri, 31 Dec 9999 23:59:59 GMT";

Then press the Enter key