Is A Sale Class A Four Letter Word?

In this podcast,  Mike and Mike bemoan the lack of priority to teaching sales in High School or College.  Like having a car with no gas.
2:01 Mike and Mike talk about the art of selling
5:13 Mike and Mike discuss the importance of listening to the market when starting a business.
14:08 Mike Reilly talks about sales is like a four-letter word 
19:39 Mike Ferrante speaks about methodology of selling
20:25 Mike Reilly mentions a bias against sales
29:35 Mike and Mike discuss the importance of listening when selling
33:23 Mike Reilly concludes that sales class involves reading and writing