I currently can not distinguish trusting them about stats vs about blood spatter, bit mark, DNA, evidence. Why should I trust them less for stats? Math does ho

I currently can not distinguish trusting them about stats vs about blood spatter, bit mark, DNA, evidence. Why should I trust them less for stats? Math does hold a honorary position in society while also being often being disliked(USA here) I will have to think about weather that is enough to single stats out from the others.