My understanding is the electric motors have in general gotten scary-powerful. I know some cruise ships have switched over to them because it simplifies the overall mechanical architecture (fewer moving parts, fewer high-pressure fluid circuits). Some of the Royal Carribean fleet has "azipods" that can be angled 360 degrees to provide arbitrary thrust for simplifying docking and undocking.
Totally, and the controls for the motors have to be crazy now. Imagine trying to reliably switch and vary that amount of power to turn on and off, and control speed at that level of power
