actually nothing surprising lor. high rental cost so hawkers cut corners, use cheapest ingredients and sell stupid sinkies at exorbitant prices. if wanna fuck, fuck pap first.
People who give negative online feedbacks are petty and spiteful, it's just an attempt to ruin someone's business, a passive-aggressive form of revenge.
It's also jackpot for those who want to data mine you, but I'm sure this kind of people probably aren't sharp enough to realize this.