Real-time in this context is more like real-time communication rather than process scheduling.
That said, real-time communication _is_ a soft real-time system.
Basically like 24 FPS or higher is real-time. Even that'd be laggy for a game but not unplayable. I choose this specifically because that's what movies typically use and they're very watchable.
Hard real time (or just "real time" in firmware/hardware contexts) is effectively a term of art. One that's been increasingly watered down by the rest of the industry.
Strict definitions matter when system failure == pacemaker missing a beat or train signalling system drives a freight train into the back of 400 passengers.
Context matters.