Maybe it's just that I am a programmer too but in this situation the one that need to learn communication to me seems the business side. If someone told you how

Maybe it's just that I am a programmer too but in this situation the one that need to learn communication to me seems the business side. If someone told you how they want to communicate with you after YOU requested to communicate, you should comply. There is no requirement for the programmer here to waste his times in endless meeting that result in nothing. Sales people might have time for that and that's because it's what they do. Programmers have other stuff to do.