Don't want to paynow can just stab people? Your vice theory is just a speculation and even if it is true, it is still a problematic customer what.
It's very easy to dismiss an incident as "because he's a siaolang".
I don't see anyone coming forth to give a real alternate, viable explanation why the guy did what he did.
- Ordering food, via cash
- Insists change to be given in cash
- Delivery to a block number, not a unit number
Ticks all the boxes to the guy engaging in vice-related activities.
You're welcome to give another logical/rationale explanation, if you have a working theory.
Root cause is not to "ban such customers" or "ban COD" - the root cause is to nail down people involved or engaged in such vice activities.
But anyway, why am I ranting in here in this cesspool of online forummers - most can't/don't even read past Page 1 of response before clicking on the "Reply" and shooting off their 2cents worth of shitposting comments.