Why don't people get any Positive Hallucinations?

Hey everyone, I hope this question comes across respectfully—I’m genuinely curious and coming in peace. I’ve noticed that when people talk about hallucinations related to schizophrenia, they often describe really negative or scary experiences, like hearing someone crying, seeing terrifying figures, or having delusions about being targeted. I was wondering—does anyone ever experience positive or happy hallucinations? Like a voice reassuring you, seeing something beautiful like rainbows in the sky, or even a delusion that’s uplifting? If not, why do you think the brain tends to create negative or frightening experiences instead of more neutral or positive ones? Thanks in advance for any insights you’re willing to share