The problem with authoritarianism is transfer of power.
You can get an enlightened ruler once in a while (the expected value of competence is still a lot lower than in a democracy). But long run it devolves like other despotic countries
There was a TV interview in mid-00s in which the airhead interviewing LHL was really curious about how mad he must have been that Goh had led Singapore for a few years before he took over, and he grew more and more embarrassed as he assured her repeatedly that no, it hadn't been any sort of insult. Hilarious.
Lee Hsien Loong has been trying to soften his image since he took office.
Two examples: the press ceasing use of military ranks for all politicians (I remember him being addressed as Brigadier-General (Ret.) before), and his wearing of soft pink business shirts whenever he has to make an address.
So although Lee Kuan Yew left office 30 years ago, his influence has been present ever since.
For existing business, not new one
Now, if you mean technology instability, completely agreed. That's where innovation comes from.
I think Uber's a perfect example. Taxi regulations either have been stable or essentially unenforced for decades in most places. This gave them the opening. However, everyone getting a smartphone in 2010-2011 is what really blew the doors open.
Those are generally good for new businesses too. Who wants to start a new business when someone comes by and changes all the rules suddenly?
> War is good for business
Not all authoritarianism, for instance Singapore is great for business. Totalitarianism maybe?