Unless everyone is a Seeker, playing in their own game. Then instead of the rider being on rails, the rest of the teams are NPCs.
Because, let’s be honest, the Seeker is the position most guests will want to play. It’s the position that enables teams to “win.” Beaters and Chasers are the equivalent of Smuggler’s Run’s gunners and the Keeper is the engineer.
If the attraction is framed as a try-out for a new Seeker, then everyone gets to play the “best” position while actually streamlining the tech requirements. Seekers don’t really need to do any hand tracking either (which the other positions rely heavily on.