If most of the people are new to sport bowling, it will look and act like a regular league. After a year or two of getting a majority of people playing the lanes correctly, it will seem more "professional". You'll see better scores, some chances at honor scores, and people making sure each shot is their best, not just giving up and chucking the ball down lane after a bad start. If everyone is new, most people just revert to stand left, throw right, no matter how bad the ball reaction.