They don't work, and it's a poverty of the imagination to have no clue of or understand the value of supportive, preventative, or rehabilitative policies.
They work if you are the kind of person who is ok with living in an authoritarian place like Singapore.
I personally am not, I like personal freedom. However, there are actually many people in the world who would feel fine living in Singapore-level authoritarianism.
I personally am not, I like personal freedom. However, there are actually many people in the world who would feel fine living in Singapore-level authoritarianism.