If you want to narrow it to one thing, other than it’s merely a vehicle for the industrialization of lying, it’s the perverse malincentives that first mobilize then destroy all accumulated intergenerational capital, in every form, from genetic, to familial, to personal, to fixed, to habitual, to normative, to cultural, to institutional, to knowledge, and to truth itself.
Democracy is the informational equivalent of biological cancer: unregulated consumption (reproduction). Postmodernism, which is the current state religion is reducible to ‘say whatever we have to in order to increase consumption’. It is the worst of all possible worlds.
Democracy makes mankind a plague of locusts on the carrying capacity of not only our planet, but our genes themselves. Just why this is, is quite technical for the economically ignorant. But it is what it is.