The plan was apparently to induce automakers like Ford, to eradicate AM radios from new cars. I am unfamiliar with the rationale used by Ford for trying to do this (too costly to incorporate non-digital broadcasting hardware?) but I suspect it was mostly wokunism seeping into the upper-echelons of management. 

The AM-radio attack drew immediate intense criticism from lawmakers and the public on many fronts. Congress called hearings and a rare-but-increasing GOP-led bipartisan conclusion was that Ford et al should desist for if nothing else, public safety reasons (AM radio carries the emergency alert broadcast system). Ford just caved. All new cars will continue to be equipped with broadcast AM signal reception. 

Nice try, 'Crats!!

So ends the war by ACFs to take over or destroy AM radio they have waged since talk radio shows first ascended to profound  influence in public policy debates.