"vibes are off" is a valid reason to not interact with someone and to judge their actions through a skeptical lens.
and tbh listening to my intuition doesn't always result in risk averse decisions- for example, i invited bf to stay and live with me within a week of meeting him... i wouldn't have if operating on conscious rational judgement alone; but i've built confidence in my intuition as it as proven accurate again and again, so when it said yes to bf, i said ok yes