A couple of governors banned the prescription of the drug unless it were in a hospital. They did it to protect the supply from doctors prescribing it to themselves, family and friends when they arent't even sick.
Who cares what people say if it doesn't pan out. Under Trump you have the right to try it. If you felt you were slowly drowning from your lungs filling up with fluid and knew the end was pretty near would you ask the docs to give it to you?