This is the proverbial: if someone smart starts by telling you that they are unsure or that it depends, (in a field you are quite sure they know something), the

This is the proverbial: if someone smart starts by telling you that they are unsure or that it depends, (in a field you are quite sure they know something), then you had probably better listen to what they say: at least it will not be rubbish. On the other hand, dogmatism is frequently a way to relieve insecurity.