I don't think it'd be practical, considering lower levels can't use the respawn command. All that would happen is a reliance on higher admins to be on the server.
When a game/server relies on certain people being online, it'll just be a pain when players demand those certain people, as your free time will be sucked up by demand, and when no one is available players can complain.
Not to mention that depending on the reason for respawn, it basically defies Last Request, and the "Last" red standing getting to play a game, since the Last + his friend will be doing a minigame.