Whiteboarding or any way of writing notes/diagrams on paper or on any sharable medium is an extremly good communication tool, no one would say otherwise. Said

Whiteboarding or any way of writing notes/diagrams on paper or on any sharable medium is an extremly good communication tool, no one would say otherwise. Said that, it is ALSO a very bad developer interview technique. Think if anytime you use it to communicate with a team coworker you had to feel like "I must make this good in these next 20minutes or I am getting fired" (with the bonus of not knowing what the whiteboarding will be about) and this is how feels a potential candidate when doing these types of interviews