How was the US Gov colluding? My recollection of the twitter files was it largely blew out of proportion (for non-tech aligned audiences) that Twitter received

How was the US Gov colluding? My recollection of the twitter files was it largely blew out of proportion (for non-tech aligned audiences) that Twitter received tips from CISA regarding misinformation/disinformation and Twitter decided whether to take action on accounts, sometimes they did, sometimes they didn't.