I agree that unsolicited requests are an imposition because there is no exchange of value. Whether or not it is a veiled job interview, for someone to ask for a

I agree that unsolicited requests are an imposition because there is no exchange of value. Whether or not it is a veiled job interview, for someone to ask for advice/time from someone else without even trying to first develop some kind of relationship is asking for something of value without offering anything in return.