The government would like this idea as well since it would be harder for people to cheat on their taxes with gambling earnings when there is Bitcoin involved. Although, if Bitcoin becomes more mainstream then the opposite affect could happen since Bitcoin would be less likely to be sold at an exchange and used simply to buy things. Who knows what the future will hold though.
So they are well aware of the importance of bitcoin and they have realized bitcoin as the new era digital currency for the whole world. it is a good sign for USA and the rest of the world as well.