That was beautiful.
a) who would want to join those guys? Look at all the fun they’re having - real comrade
b) they believe in sharing “knowledge”
c) they made the mistake of not assessing the knowledge level of their audience
d) oops 
(don’t want to give away the outcome for those who can’t predict)
e) fun and games ended when reality smacked them on the head
f) victory! Student learns and surpasses teacher!