Why would an article from the magazine (either paper format or online) Sports Illustrated NOT be a viable source for a scholarly research paper on the rise to fame of LeBron James?

Discussion Questions: QUESTION #1 MUST BE ANSWERED BY EVERYONE. You must also respond to Question #2.Question 1What did you learn about your speech delivery process by self-evaluating your Elevator Speech?
After completing the peer reviews of your peers’ Elevator Speeches, what are two positive key ideas you observed that you want to incorporate into your next speech?Question 2 (Chapter 7)Assume it is logical for all of the following topics to appear in the following sources.Why would an article from the magazine (either paper format or online) Newsweek NOT be a viable source for a scholarly research paper on the economic conditions of Nigeria?
Why would an article from the magazine (either paper format or online) Sports Illustrated NOT be a viable source for a scholarly research paper on the rise to fame of LeBron James?
Why would an article from the newspaper (either paper format or online) The Wall Street Journal NOT be a viable source for a scholarly research paper on whether or not collusion occurred in the 2016 United States Presidential Election?
Why would an article from the journal (either paper format or online) The Journal of the American Medical Association (JAMA) be a viable source for a scholarly research paper on the effectiveness of the MMR (mumps, measles, rubella) vaccination?