Yes, but actually getting into armed confrontations is not pleasant. Maintaining a base level of functioning society seems like a better investment the older I get.
While I certainly share Bob's frustration with the US tax system, on immigration I think we have to be honest with ourselves and acknowledge our part in it.
US foreign policy has had a lot to do with the economic and political conditions people are fleeing in Central America. We made this bed, or at least allowed it to be made in our name.