A "TA" which has only the knowledge which is "common enough to show up in a well formed question on stack exchange"... And which just makes things up (with the

A "TA" which has only the knowledge which is "common enough to show up in a well formed question on stack exchange"... And which just makes things up (with the same tone and confidence!) at random and unpredictable times. Yeah apart from that it's just like a knowledgeable TA.