I only use the green ones. The three lobed ones are strong up, the four lobed ones are milder. No theory on the sweetness, but then I don't use the red, orange, or yellow ones very often. Maybe like garlic? Young garlic super strong, mature less so?

The male versus female bell pepper nonsense is just that, nonsense. My mother thinks it's all nonsense, but she's wrong.

I tried a blind taste test, and the answer from my perspective was no.