Soccer very much depends on fitness too.

Yes, and I remember the years around 1990 when teams with tall men with a lot of stamina and not much else were giving headaches to top teams with top players. But soccer is also a team sport and there are dynamics that go beyond fitness. The morale of a team has a lot of impact. There have been many cases when the same players started playing well suddenly after a change of the manager. Looking at normal workplaces: fire the boss that hates everybody and everybody hate back, put somebody not abusive or toxic in charge, the workers will start performing better.

The parent did not say it doesn't. He said team sports depend more on skill than fitness, which is true.

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