Big government is neither liberal or conservative, and it's size is an illusion. This government is the product of years of change and the wishes of the general public or majority.
There are many things that many of us do not agree with. But, overall, simply because you as an individual believe the way you do, does not make it invalid or function in the way that you percieve it.
The overall trend as of late, is that the general public is becoming more conservative and concerned with making this government more efficient and less intrusive. Size has very little to do with it...