If you pitch something completely new, many people will look at you like you are from Mars. My startup's product has the potential to drastically improve the profitability of a lot of businesses. However, when we pitch it for what it is, people tend to react fairly violently, because it runs counter to a lot of their intuitions.
In order to get any traction, we have had to pitch it as an incremental improvement, with the real game changers hidden behind the scenes.