2.0:
Reviews said DOMNodeInserted is no longer used. Also the promoted posts' tags changed. Updated to use a mutation observer to detect new content loading (i.e. from scrolling to the end) and updated the element tag name being searched for.
Credit to xcloudx01 whose basic code I adapted from this: https://greasyfork.org/en/scripts/542675-no-more-search-links-in-reddit-comments