To be That Other Guy™, the problem with your contribution isn’t that it might be seen as pedantic, but that its also wrong.
> To be That Guy™, the Twinkie Defense isn’t just some dumb meme. It was literal defense used in double murder trial.
It is a dumb meme that has evolved around a misleading name a reporter gave to the defense at that trial, which has morphed into an myth about the nature of the defense that you now repeat as fact, despite linking sources explaining that it isn't.
> At trial, he claimed diminished capacity because of a blood sugar imbalance because he ate some Twinkies.
No, he didn't, as your own first source notes. His recent switch from being a health food nut to eating junk food (the context in which Twinkies were incidentally mentioned) was brought up as one of several external behavioral indicia of the longer tern mental breakdown the defense claimed he was going through, not its cause. And that longer term breakdown was context for the acute break they (and the psychiatrists called as expert witnesses) claimed White experienced that was the center of the diminished capacity defense.