This is to be expected. Elon wants to say whatever he wants. He wants his friends and associates to be able to say what they want. The rest of you all... No, do as you're told. Note that he bought Twitter, not you.
If they act in a way that is not in the company’s best interest repeatedly, then that is not a foundation for continuing the relationship.
Would you stay in a relationship where your partner keeps doing things that irk you repeatedly at a fundamental level, just out of goodwill for your partner? No, you would separate because it is your choice to make.
The employer-employee relationship is slightly different though in an important way: The employer has to set the direction and priorities for the company, not the employee.