I argued with a relative about this for over an hour. I was so dumbfounded that I didn’t even know where to find him the proof. Eventually I found a government page to show him and he just said that the page is lying lol
Discussion
The video of Nixon making the announcement would be my first go to.
Afterwards I would ask them to go to a bank and ask for a $100 bill to be converted into gold.
See how they respond. Might be a fun idea for a youtube video nostr:npub1lelkh3hhxw9hdwlcpk6q9t0xt9f7yze0y0nxazvzqjmre3p98x3sthkvyz