I heard rumors State Farm was going to start denying the entire claim...

I heard rumors State Farm was going to start denying the entire claim (including liability) for unlisted drivers. Is this a thing and if so does anyone know the time in household for the threshold? Are they denying on all permissive use? Currently have a client who was rear-ended by a drunk driver. Vehicle was insured by SF at the time and they're denying my client's damage as "the driver was not listed on the policy"... There are