This is a party dinner incident involving microphone removal with zero constitutional impact. No drivers score above 0 - this affects no election integrity, rule of law, separation of powers, civil rights, institutional capture, corruption metrics, or violence. The mechanism_modifier of 0.3 reflects norm_erosion_only at a private party event, which has no bearing on governmental constitutional function. A-score: 0. B-score calculates to 6.74 (Layer1: 10*0.55=5.5, Layer2: 2*0.45*1.118=1.01, modest outrage bait and media friendliness). With A<25, no meaningful mechanism, and clear noise indicators (internal party dispute, trivial incident, no governmental impact), this is definitional Noise - intra-party drama with zero constitutional relevance.