The weaponized DOJ is doling out these excessive sentences as a constant reminder/threat to anyone that opposes them; you are not the opposition, you are the enemy.
Bingo. He also got this ultra-ridiculous sentence precisely because he is a Marine and a 20 year veteran of NYPD. The warning could not be more clear.
It is absolutely appalling (as others have said) that antifa assaults on our federal courthouses, burning down police precincts, violent attacks, mayhem, destruction of billions of dollars of property, and murder get off with virtually NO punishment.
The country is in deep, deep trouble.