Reality's quickly created celebrities come and go. Most of the time they end up back at their everyday jobs with no extra money in their pocket but a bit of TV face time fame. Some of these Stars De Jour parlay the experience into real riches or more permanent gigs while the show's writers who created them just continue on pay check to paycheck. With no WGA contract there is no pension contribution, Health Insurance or other benefits. There are no Royalties or residuals paid to writers and there is no recognition.
Recognition is important and in TV and film getting a 'credit' is important. It sounds unimportant but in the Industry the credit does put you in a position to apply to be a member of a Guild and has a major impact on how you are viewed and what you get paid.