Bare minimum to make the board semi-functional:

Step 1: Install Violentmonkey
https://violentmonkey.github.io/
Step 2: Install 4chan-x
https://www.4chan-x.net/
Step 3: Add script to filter 1PBTID
https://greasyfork.org/en/scripts/442568-filter-1pbtid-on-4chan-pol

>Memeflag threads
Click the wrench icon
Click 'Filter'
Select 'Flag' from the drop-down menu
Paste the following:
/^Black Lives Matter$/
/^Hippie$/
/^Templar$/
/^Catalonia$/
/^DEUS VULT$/
/^European$/
/^Tree Hugger$/
/^Anarchist$/
/^Confederate$/
/^LGBT$/
/^Gadsden$/
/^Fascist$/
/^Democrat$/
/^Communist$/
/^Commie$/
/^Anarcho-Capitalist$/
/^Jihadi$/
/^Kekistani$/
/^Muslim$/
/^Nazi$/
/^Republican$/
/^Pirate$/
/^United Nations$/
/^National Bolshevik$/
/^Commie$/
/^White Supremacist$/
/^Task Force Z$/
/^NATO$/

With this plus generals filtered I'm hiding ~100 threads at any given time