ELI5 Olympics - why the amateur vs professional line blurred?

ELI5 Explain Like I'm 5: Bite sized answers to stuff you should know about - in a mini podcast - A podcast by ELI5 Explain Like I'm Five Podcast - Fridays

Why were the Olympics so strict about amateurism in the first place? Why were professionals not allowed initially? Who was disqualified for being a professional? How did the lines between amateur and professional blur? Are there any sports left in the Olympics that still maintain that strict amateur status? ... we explain like I'm five To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: [email protected]