In this scenario, bad debt accrues in an isolated manner to the Bridge Lenders only in the TOKE Silo. UNI, BAL, and any other Token ABC Silo do not accept TOKE as collateral and are protected from any price exploit in TOKE. This applies in the other direction as well. If there was an exploit in BAL instead, because only the BAL Silo accepts BAL, all other Silos are safe.