It’s not a lesson learned. X will be legally liable for damages. They are setting up a team of moderators to mitigate that liability and show lawmakers they can regulate themselves so they can head off potential regulations.
Much like his PR visit to Concentration camps Musk is doing it to escape consequences.
Trust and Safety was a key reason major brands were comfortable advertising on Twitter.
The financial consequences weren’t from getting sued, but Pfizer won’t run ads after they let “Pfizer” go viral for saying insulin is free and started placing their ads alongside Nazi content.