the Gold Anti Trust Action (GATA) has been around forever despite dismal support from a PM industry that should be 100% behind them. They have almost single-handedly kept the Gold Rig story alive. That GATA has survived is a testimony to the courage and tenacity of Bill Murphy & Chris Powell against impossible odds.
Linked is an excellent summary of what they have faced over the last forever: https://www.silverdoctors.com/gold/gold-news/what-if-nobody-cared-about-gold-or-silver-market-rigging-do-you/
IMO any contribution in any amount can be considered as money well spent in the cause of monetary freedom