Here everyone nods their heads n often hold back so as not to offend. Then Dada stands up to salute before having long personal talks which are often not performance related.
Perhaps the competition format discourages free speech n criticism so as not to offend their colleagues or start a fight.
Performances turn out best when dancers are fully absorbed in the music while performing. The performance should flow with no hesitation.
Too much circus acts is an unnecessary interruption to a smooth performance causing the contestants to lose votes. Few of them have suffered this, especially trying out something they have not adequately practised or where the choreography Or music gets too boring.