He thinks it is absurd for the general manager to value those trifles so much.
The general manager is belived to be absurd to value those trifles that much by him.
The general manager is considered to be absurd to value those trifles that much by him.
He thinks it's ridiculous that the General Manager pay so much attention to those tiny things.
He considers it is ridiculous that the General Manager pay so much attention to
those tiny thins.
He believes it is ridiculous that the General Manager pay so much attention to those tiny things.