it thumbs down due to the endlessly repetitive scenes of embarrassment 
(ROOT (S (NP (PRP it)) (VP (VBZ thumbs) (PRT (RP down)) (PP (IN due) (IN to) (NP (NP (DT the) (ADJP (RB endlessly) (JJ repetitive)) (NNS scenes)) (PP (IN of) (NP (NN embarrassment))))))))
(ROOT (S (NP (PRP )) (VP (VBZ ) (PRT (RP )) (PP (IN ) (IN ) (NP (NP (DT ) (ADJP (RB ) (JJ )) (NNS )) (PP (IN ) (NP (NN ))))))))