Fairly certain he’s referring to Dodge v. Ford Motor Company, where it was established that a company needs to operate in the best interests of shareholders above all else.
https://en.wikipedia.org/wiki/Dodge_v._Ford_Motor_Co.?wprov=...
https://en.wikipedia.org/wiki/Dodge_v._Ford_Motor_Co.?wprov=...
The Supremes ruled for shareholder value.
However I forget details of ths case. If anyone here happens to know what case I am referring to, please chime in.