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When times are hard, some people borrow money, or turn to crime, but some are either refused by the banks or too ignorant to realise the pitfalls of the alternatives. The interest rates are usually so high that repayments don't get met and hence the violence to encourage them. So this is something more than revenge, a dish best served cold. There are some very nasty people out there.
If it's true that someone on here made off with payments without supplying the promised goods, then I'd recommend serving them a cold dish!