Why southerners would intentionally portray prototypical stupid rednecks on TV is beyond me. 
Phil Robertson is educated, articulate, and a very religious man. He makes the finest and most affordable duck calls on the market. He's very involved in his community and has been a driving force in the waterfowl restoration miracle that sportsmen and woman have pulled off in the last 40 years.
The redneck thing is an act and he dont care what anyone thinks about it. His duck blind/house is also part of his act, "wish I had one". His videos have always had good clean humor in them. The guy started from nothing and now has a Masters degree and a highly successful company. He leaves the blind on Sunday to go to church and pray. if anythng he's a guy to be admired.