Structural Immunity: How Platform Dominance and Mandatory Arbitration Create Corporate Impunity

When platform dominance combines with mandatory arbitration, the result is structural immunity. Version 2.0: Formal six-filter multiplicative pipeline model with CFPB-calibrated suppression rates. Single-filter intervention analysis. Extended to four sectors: consumer finance (0.00075% survival), gig economy (0.13%), social media (0.0001%), healthcare (0.028%). Reform analysis with No Surprises Act example.