De-monetization wouldn't be quite as useful as you'd hope. There's a lot of youtubers out there that are out filming on public land mag dumping into fruit etc. that are already de-monitized, they rely on sponsorships/patreon/etc. There's lots of filming out on public land from content creators...
https://www.senate.gov/senators/senators-contact.htm
Pick a senator (or both) contact them either by phone or email (usually there's a specific option that you need help with a federal agency).
For your rep in the House: https://www.house.gov/representatives/find-your-representative
I've used it on aluminum (mossberg receiver, etc.) just follow all directions like degreasing and prepping the surface/warming the can/shake it like it owes you money/keep the nozzle clean and it works like a charm.