I think they will split it and say that he has authority as executive over government workers but not over private citizens. On a really good and honest day they would throw the mandates out entirely but I suspect they are product of the beltway and regardless of political leanings have bought into the Covid hysteria.
It won’t be that simple.
Diaper Joe has put this EO on all government commerce.
That covers all the departments, independent agencies and the like.
The military is under Defense Department so the mandate would apply to them. Joe Biden should be able to use it as a mandate over federal workers not as an OSHA regulation which isnhus argument.