While the extreme "master of one" exists, most academics I know have cross-cutting interests.
We also shouldn't forget that the vast majority of politicians today are lawyers by education. To whatever degree your assumption holds, it is true of the status quo today as well. Even in that case, having a more diverse set of "masters of one" would be an improvement.
We also shouldn't forget that the vast majority of politicians today are lawyers by education. To whatever degree your assumption holds, it is true of the status quo today as well. Even in that case, having a more diverse set of "masters of one" would be an improvement.