Integrated electric propulsion and redundant ship power

Why has integrated electric propulsion not been widely adopted by navies?

It has been adopted; the panel points to modern Royal Navy designs whose multiple cross-connectable electrical circuits preserve service after damage.

The panel corrects the premise by noting that integrated electric drive is already in service. Its example uses three ship-wide circuits that can operate independently or be cross-connected, allowing intact sections of damaged circuits to be recombined. The watch point shows how electric propulsion also becomes a damage-control and power-management architecture.