Earlier quoted context omitted.
I'd wait to draw any serious conclusions until after the pandemic is "over" in both countries you're comparing. It sure seems like this virus doesn't need much of a foothold to take off, and just because an island has been able to deny that so far doesn't mean they'll be able to deny the virus until they are fully vaccinated and out of the woods.
How about China itself?
What western government could pull off welding doors shut the way they did in China? Even if the government had emergency powers that "allowed" it, would they have had willing workers to do it?