Esport, e-sport, eSport?!

"I will be a streamer, I will make a living by playing!" Sentences that most parents probably don't want to hear from their children. The answer to the question of whether one can make a living from esports is actually quite complicated. And does an esports athlete still just play?
A talk mainly for those who are interested in esports and want to understand or hate it! For players, for parents, for everyone who is entertained or frightened by esports or something in between.