I don't think being a superhost gives you more bookings, as most guests (if any, really) know what it means. If they DID know what it means, it could bring more bookings as a guest who is worried about having their booking cancelled will know that a Superhost will never ever cancel a booking, or they are not a Superhost any longer. You will become eligible in 12 months time again. I cancelled someone because I clicked the accept button by mistake once. Cancelled it the next minute, when I realised what I had done. Too late, a 12 month wait.
All I can say is don't do it again! Hosts who are on several platforms find it challenging to not to cancel. Don't worry about it.