So I present the return of the thread hiding script.

Step 1 - install tampermonkey: https://www.tampermonkey.net/index.php

Step 2 - install this script: https://greasyfork.org/en/scripts/577609-boardhost-idiot-hider

Step 3 - Add/modify usernames in the list at the top

Step 4 - Profit (with lower blood pressure)