MY own brother just retired a bit early from the federal government and I have no doubt he did so because of the BS politics and corruption.
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You need not have any doubts. The federal government is highly politicized and a very unfriendly place toward conservatives. At one time of day it was the heavy weight of bloated bureaucracies and tedious processes that wore people out. Now politics and corruption have been added into the mix.
My BIL was at one point Asst Director and for awhile Acting Director of a govt agency. He recently retired. He is very conservative and he had to bite his tongue all the time.