Maybe when the Chinese bubble crashes the present crop of neo-totalitarians and anti-democracy reactionaries will shut up. I am referring to those elements of both the alt-right and the totalitarian left who look to China (and similarly to Singapore) and pine for the miraculous efficiency of central planning and authoritarian rule by strong men. If only we had a king (or a one-party state or similar) we too could build infrastructure at breakneck speed and prop up the economy forever instead of dealing with the messy inefficiencies of democracy and consensus.

People were just as psyched out by the USSR. It looked miraculous until the 1980s. The Nazis psyched people out too. We didn't get to see how that one would have turned out long term because they blew themselves off the map with an insane war on two fronts but my guess would be similar to the USSR: a little period of apparently miraculous progress followed by rapid stagnation, being eaten alive by cancerous corruption, and collapse transitioning to something like Russia's present-day mafia state.

It's easier to go from zero to one than from one to N. Totalitarian regimes are very good at copying and rapidly implementing things they already know how to do, so they tend to go from zero to one with breathtaking speed. Then they hit a wall because their totalitarianism prohibits innovation (either cultural or technological) and is very fragile. The economic miracle ends when they run out of stuff to copy and usually their politics goes to hell when the Great Leader and/or revolutionary generation dies.

Social democracy sucks at rapid execution on the known. I get frustrated with it just like the next person. But it's the only system with a demonstrated track record of continuously marching into the unknown and of defending itself for long periods of time against extreme corruption.