Corporations with shareholders must list specific accounts as disclosure accounts; because otherwise sharing insider business related information is unfair insider advantage.
When you list a social media account as a disclosure account for a business, it should then be clear that there's liability to all such communications through such account.
While this is true regarding disclosures, my post was mostly about Elon Musk saying stupid things on his personal account. These have a far higher legal impact on his businesses and himself that would be for a lower ranked employee.
When you list a social media account as a disclosure account for a business, it should then be clear that there's liability to all such communications through such account.