Yes, I wish there were a way to demote crewmen....
There have been times that I was being DC by a destroyer and at the critical moment, I need a bearing, range and whether he is closing, I hit the icon, and nothing.....
I think it may be that the processor is overloaded and when I go to the soundroom, and click on him, he answers then....I know something is wrong when I look at the radio operator, he is frozen stiff over the radar wheel. Once he was standing with his arms outstreached
I then went to the crew screen and took them out then returned them and the problem went away, but all these things are time consuming in the heat of battle