I’m sure it is still taught, but a lot of power designs do often now swap diodes out for actively controlled mosfets, for example in power multiplexing (there are integrated chips called ‘ideal diodes’ or eFuses which use mosfets that do it all for you), or swapping the diodes in DC/DC converters with mosfets (called ‘synchronous rectification’).

Exciting! I've been out of the field for a while - thank you for what'll be some interesting reading