The fact that each Monk only has a limited supply of votes and that each of your nodes can only be downvoted once by each Monk will limit the damage that can be done. It would take a concerted attack by a cabal of evil Monks to do some real damage.
A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James