Street Fighter has a lot of disciple characters, so why are most of them missing in Street Fighter 6?

Street Fighter has a lot of disciple characters, so why are most of them missing in Street Fighter 6?

Street Fighter 6 sticks out in the series for a lot of ways, but one of the biggest ones is that it actually notably aged several characters and explicitly placed itself after Street Fighter 3, thereby making it further along in the timeline than any prior game in the series. One thing that's pretty strange about that is that a lot of Street Fighter's fan favorite characters have disciples they've trained during prior games, but ... most of ...