At some point, even they will have questions. Easier for them to get rid of the issue with a clear explanation - instead of something that’s generating more questions than answers.
As company, they owe the public nothing except to the extent that they satisfy their investors. Government can suck it if they are following the law. Democrats can suck it. Unions can suck it. They don’t pay taxes, dividends or invest in actions that make the company strong and profitable.