I'd Like To Watch Rugby, But...

Today, NBC and NBC Sports stations showed the rugby games that were held in Las Vegas and Sam Boyd Stadium.
I watched the games, but most games were only 2- 7 minutes halves for a total of 14 minutes per game.
The championship game only had 2- 10 minutes halves for only a total of 20 minutes for the game.
That really is a short game for a high level game of any sport out there.  And those of us trying to learn the game of rugby, that's not a lot of time to learn.
It was nice to watch, but one could only learn the very basics of the sport, like which teams were which and how many points are scored in a game.