Unseating the dollar as money doesn't mean the end of the state. So the government worker buys stats because they love bitcoin and see it as a benefit to society, just as they see the state.
Discussion
There are many government employees who are ardent Bitcoiner's. Even outside direct employment, there are heaps of other professions that derived their income indirectly from the state. E.g. tax accountants, and any other industry heavily subsidies by the state. A lot of those guys also have corn.