Agree with bleu and Oryx said it earlier too - commercial enterprise - "don't want the place crowded with thousands of people who will not buy anything" - and crowd out the genuine shoppers.

There are many places for the crowds to shop - Lulu, Family Food Centre/Palace. They can get their basic provisions there and at cheap prices.

So the fact that they want to chill at city centre, etc. means they just want to window shop and not purchase much (or at all) from the shops. The ones who have families with them are welcome to chill out there. All in all, it's fair.

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Don't want no drama,
No, no drama, no, no, no, no drama