social niceties.

There is really little inconsistency, so long as one focuses on the political power factor. People in power make sure the rules work for their security. People with no political clout are expendible or even considered in the way and in need of removal.
As for wishing a president dead, we really don't want to go down a path of even appearing to threaten. Talk about a recipe for our already polarized nation to turn violently explosive.

Sounds like you are going down the Utilitarianism route there which is very slippery terrain!

Seems the money taps open up faster for war toys than for the little people in a crisis. I think it is tribal with a healthy dose of religion and culture.