access to automated weapons of mass destruction at the reach of their fingertips

They don’t. WMDs are far from automated, they require multiple human steps to get deployed, and each one of those can say “no” at any time (then possibly get court martialed, but the WMD stays undeployed).

What’s more threatening, is having those ultra-rich promise everyone in the chain of command (and their families) a place at their self-sustainable complex.