"General Motors’ decisions to discontinue Oldsmobile and Pontiac while retaining Buick were driven by a combination of brand performance, market dynamics, and strategic foresight. Oldsmobile’s identity crisis and declining sales, coupled with Pontiac’s profitability issues and brand overlap, made them less viable in a challenging economic climate. Conversely, Buick’s Chinese connection kept it alive. Still, the loss of Oldsmobile and Pontiac brands are like missing family members, and the GM decision to kill them off was horrific."
January 1, 1970
https://en.wikiquote.org/wiki/Oldsmobile