This sounds like the Fachhochschule hired some guest lecturer from the world of employment (since it is a goal of Fachhochschulen to also give the students a pe

This sounds like the Fachhochschule hired some guest lecturer from the world of employment (since it is a goal of Fachhochschulen to also give the students a perspective from work environment in their lectures, this sometimes happens). Unluckily the people responsible to hire a guest lecturer fell for a windbag. :-(