Disinformation will be rampant on facebook
"The company will end US-based third-party fact-checking organizations in March 2025. The planned changes slated to roll out to US users won't affect fact-checking content viewed by users outside the US. The tech industry faces greater regulations on combating misinformation in other regions, such as the European Union."
https://www.sciencealert.com/climate-misinformation-to-escalate-on-social-media-expert-warns
(The same reason that cosmetics and foods are cleaner in the EU than in the US: regulations.)