The deliberate starvation of the (civilian) population caused by the blockade combined with the bombing of any & all infrastructure would probably be even more controversial than the firebombing raids themselves
As you are offering us strategic “master strokes“ from both IJA and IJN at the same time! Take all the time you need, this looks like it’s going to be fun…
I think we need to face the fact that every parent will always do whatever they can to improve their offspring’s prospects. Realistically (although unlikely to be openly stated) this includes the chance of becoming/remaining part of their society’s elite if there is a way to achieve this...