I agree that Tuchel is far more pragmatic than Pep & Klopp, but it is a huge stretch to say he's more like Zidane than Klopp. Don't really want to digress about Tuchel, but I'm not buying that at all. (Also you missed out Flick)
As for the overall picture - yes there are plenty of other types of managers, but many of them are as different from each other as they are from Pep/Klopp, and that's the key point. If a club went from, say, Zidane to Simeone to Deschamps, they would be going in pretty different directions each time. If a club went from Pep to Klopp to Flick then, sure, each manager would want their own people and style, but they'd find a group of players much more in tune with how they want to train and play.