What potential problems or hindrances do you notice for in Singapore’s efforts that may be a cause for concern, or even a bit of far-reaching over-optimism?

NatGeo documentary on Singapore

Now that you’ve watched this NatGeo documentary on Singapore (45 minutes) in it’s entirety:
do you see other regions of the world mimicking some of these trends in a progressive manner that can aid the future of a collective sustainable global society? What potential problems or hindrances do you notice for in Singapore’s efforts that may be a cause for concern, or even a bit of far-reaching over-optimism?