You are absolutely right! And with gammers setting more and more enthusiastic levels (e.g. 120fps) is a problem. But the bare minimum should be fps like a movie

You are absolutely right! And with gammers setting more and more enthusiastic levels (e.g. 120fps) is a problem. But the bare minimum should be fps like a movie, so 24fps or 30fps. This will not be perfect, but any animation may look a little bit smoother than 15fps