While I don't know exactly why they're inducing you I agree that the waiting list means if there's a more urgent case they will put yours off. That being said, I'd think that means that your Dr isn't too concerned otherwise you'd be a priority, not on the waiting list, so I'd try not to worry too much :)
Means because you aren't over due or at a full 40 weeks of a priority case comes in or emergency you will wait.
They only schedule so many a day to leave room for emergencies. If someone goes into labor early or cancels you will be up.
My OB only does schedules c-sections on fridays.