Sure but based on the history of the last 125 years or so, that only happens after tens of millions have died and entire countries are leveled. And that was done with… 125 year old technology.

If it devolves into a dictatorships it can stay stable for awhile. Look at Dubai, one of the richest places per capita with no real "rule of law" (only in theory) but stabilized through a ruthless theocratic dictatorship that has brought peace and prosperity in a region of the world where democracy (and indeed -- other dictatorships) has so often brought the people untold terror, violence, and suffering.

> that only happens after tens of millions have died and entire countries are leveled

That levelling, darkly, does solve the problem. Nazism ultimately turned Western Europe into an American protectorate. And under Pax Americana, it thrived. One can similarly point to Imperial Japan having laid the groundwork for the Asian miracle, at the cost of millions of lives.

Maybe fascism has a purpose: it lumps together a generation’s horrific and emotionally stunted and combusts them against an innocent population. That’s horrible. But it leaves better cinders than it came to.

(For the avoidance of doubt, I neither think fascism is good nor inevitable.)