And that is why, in the majority of HDB heartland estates, some neighbours have lived next door to another family for a decade and have never spoken to them.
That is by choice / personality and not though the lack of effort from the Government in integration.
Also, that sentence transends races :- it equally applies to , for example, chinese/chinese neighbours. It is possibly due to the "mind your own business" attitude.
Do you work for the Government? I ask because the following quote from you had to be taken verbatim from some gov't brochure or SOP. Frankly though, it's a load of claptrap!
Does it work? Yeah, that, along with ISD to keep the peons in harmony(fear) as detention without trial is a bummer.
No I do not work for the Singapore Government - I'm probably not qualified, nor do I embrace all their policies.
At the summary that you seem agree it 'works', to an enough degree in Singapore.
Contrast, for a moment, with another country which DOESN'T have any these policies, or the laws to back it up, or their equivalent.
What to do?
Exactly. Try this, in the spirit of being constructive instead of taking the oh-so-easy road of bashing existing efforts, make some positive suggestions.
Perhaps, with your experience/knowledge, which other country has a social engineering model, or policies that might work, given the social norms of the racial makeup in Singapore?
Who knows? -someone- working with the Singapore government might chance across it and actually take note of it.