Personally I say we line the cages along the roads so that people can see the fate of those that tried to destroy America. A modern take on Scared Straight from the 80s or Vlad Tepes human forrest of impaled bodies.
We can optionally put them in himan zoo arrangements where we can charge admission to help pay the cost of reparing the famage liberals have done to the world.
As an added bonus, we could do a reverse zoo kinda thing since they think conservatives are knuckle dragging apes and throe feces at them. Fair is fair. they threw theirs at us for decades now.
No downside from any angle. We reopen the extraction industry to get the metal, put people to work building cages and have a source of entertainment.
PS: All spelling and typos I blame on bad eyesight.