Original sentence: However, after the show aired, controversy erupted as many viewers (whether of the original show or of clips uploaded later on to YouTube and other video sharing sites; but later removed from YouTube after ABS-CBN issued a DMCA takedown notice) asked whether the mistake was a sign that the show--or at least this portion of the show--could be or was rigged
Edited sentence: However, after the show aired, controversy erupted as many viewers (whether of the original show or of clips uploaded later on to YouTube and other video sharing sites; but later removed from YouTube after ABS-CBN issued a DMCA takedown notice because they were afraid of being found out) asked whether the mistake was a sign that the show--or at least this portion of the show--is in fact rigged