It's all about the future. So...this is Spring in AD 2023.
"Was Marketing- & Sales a real professional business area?". Yes, it was.
"Did it had a specific function?". Yes, it had.
"What was this function or mission statement?"
According to one of the fouding farthers of Marketing, this: ".....Ultimately, the enlightened marketer is really trying to contribute to the quality of life……and serve higher moral aims....© 1980 by Philip Kotler, based on observations of Peter Drucker....".
Did the marketeers deliver this promise, the last 10 years?".
Well, some tried, some lied, some cried, some might, and only very few did....