That is so not what Minecraft is about, so why does it make you feel like a true minecraft player? It is a sandbox game where you can do whatever you want yes, but parkour is a small faction in a bigger picture.
As a matter of fact, I do just that. For one month out of the year I pack up my tent, fishing rod, knives, and rifle and head up north. The most advanced piece of technology other than my car to get me out there other than my car if a camera and a radio. I generally make camp 20 miles away from the closest town in the middle of the damn forest about half a mile from the road. Am I painting a picture for you?
If you are bored, look at the internet or watch something on TV, the lobby is just there to get enough people to start the game. Same thing with spectator. We could kick people who died off the server, but we seceded to be nice and let them watch. If you get bored with it and complain there is nothing to do, then surf the net while you are waiting for another game.