If you look at the market prices of newspapers, radios, TV stations, you'll see that they depend little on their earnings. The buyer pays for influence on the public opinion.
How much do you think will FB support be worth to GS during the next bailout? In understanding what are the common fears, arguments for and against. Even now GS manages many deals, parts of the society don't like - outsourcing, green house options trade, arab and chinese investors, etc.