Do you think that government should create a law that would require fast food restaurants to sell only healthy, fat free and low-calorie meals? If yes why?

No, considering that fact that the government profits off of the lower class. we must also consider what the government might do to keep them there. Giving people heavier bodies and minds isn't very beneficial to the government. The government loves two things and that is money and power. In order to keep those two things the government might do whatever it takes even make their country solely beneficial to corporations. This corporations pay the government back in "donations".  

Explanation:

it is an infinitive phrase with a subject.