It was just something else that was forced for no good reason, except "memberberries". They easily could've created a new character or had the character be someone like Commodore Stone.
I can't disagree with the heart of that argument. I would've just created a new flag officer. But it is what it is, and the fact the only other onscreen appearance of April was in the very last episode of an animated series from almost 50 years ago probably gave them more of an excuse.
The deed was done, and I can make it work because of the animation factor in play.