Very informative video, thank you.
If the Joy-Con "controller shell" is sold separately as accessory, I won't buy that. I would buy the Pro controller instead for home use and wouldn't detach the JoyCon(L) and JoyCon(R) controllers, when I put the switch into the docking station. I'm glad that it ain't necessary to detach the JoyCon(L)+(R) controllers to fit the Switch in the docking station.
So I would use the attached JoyCon(L)+(R) controllers on the go and the comfy Pro-controller at home.
I'm also glad that this clunky controller was a fake: