There is a difference between a guy chewing bubblegum explaining something - about let's say the chemical industry - intuitively and a guy wearing a suit standing at a podium and presenting to an audience of many people and talking theoretically.
There is a reason why people are impressed with marketing people or verbose people. The skill of putting things in prettier, more technical or more impressive words is highly appreciated and often overlooked.
But such is human behavior.
We form judgments based on first impressions.