That may have worked in the past, when battles were slow. With Star Trek level tech a battle would likely be over before a human had time to process that it had begun. Defensive actions and reactive attacks would be preprogrammed to execute under predefined circumstances. But that wouldn't make for good tv.
Exactly. There is no Linux Operating System, there are dozens of different distros, each with their own quirks, and as a noob to Linux I'm supposed to try out each one to see which I like best, according to most advice I've seen.
If someone coerces an employee to give up login credentials under duress, that's an action against the company, and would absolutely warrant legal action.
There are several companies making really good progress on humanoid robots. Combined with good enough ai, those will be able to fix your toilet or lay mortar at a construction site. When they get good enough, they will be able to do practically any job a human can do.