It's a definitional difference. The history of sports is much more martial than games, though, some games are applicable to developing martial prowess. 

Look at the sports in the original Olympics. People died in those. 

Playing a game is not the same thing as competing in a sport. 

This is no commentary on athleticism by those who play professionally or compete professionally. 

Another way to look at it is the sports are things you do: you swim, you wrestle, you throw a javelin. There usually are only one or two rules and possibly a safety consideration or two because we're all too civilized these days. 

For that matter, bowling and curling are sports, where as all other ball games that I'm aware of are just that: games you play. 

The fanaticism is gross. Too many people live vicariously through "their team." too many men, especially, neglect responsibilities for those kinds of vicarious thrills. I find that a very menial mentality. 🤷‍♂️ 

 I guess I just don’t see what fun/entertainment exists today (or ever) that people don’t become fanatic over. 

 How about this revolutionary thought:

Don't be fanatical about anything except your rights? Even that Skype be tempered a bit so you aren't a one-note song.  

 Agree with that 🤝 

 Your definition is mistaken, though the distinction you're drawing is real.

A sport is a type of game. Every sport is a game but not every game is a sport. There are other types of games that are not sports, and do not share the same quality as sports do.

It's a lot like niggers. All niggers are monke, but not all monke are niggers. Other types don't talk like niggers, they don't commit the overwhelming majority of crimes, but niggers are still monke