I am unclear on why Richard Blumenthal's or Barbara Boxer's 'satisfaction' is of any relevance. They are not acting in their capacity as stockholders, they are not members of the board of directors, they are not plaintiffs in a lawsuit, nor are they jurors in one.
They're senators, meddling in something that seems to me to be none of their business.
Barra and GM legal counsel were testifying before the Senate subcommittee on Consumer Protection, Product Safety, and Insurance.