One important point in this discussion is that workers only have to return at their own discretion. Since no worker is being forced to work, the argument is best thought of as whether or not workers who chooses to work should be allowed to do so given Tesla's plan.
They can also stay at home if they prefer, or seek other employment if they want to work but find Tesla's safety plan unconvincing.
They can also stay at home if they prefer, or seek other employment if they want to work but find Tesla's safety plan unconvincing.