> • PAY the correct amount
Visual verification by users is bad news. Malicious users may register with letters that have similar or identical glyphs to that of a real merchant. E.g. eBay vs еВау. Leaving aside typos, multiple possible transliterations, punctuation; overall it's a shitstream of headaches and possible attacks.
Can you point to news articles of people being scammed via the methods you describe?
So not a single case in tens of millions transactions. Seems like no point in posting since it isn't actually a problem in practice.
It is also clear that it is only really a problem for the vendor, who doesn't receive the money, not the customer, who already has the service/product.
Citation needed. And I doubt it given that it's working since Monday.
Also to take into account that Singapore is basically a city, so as a sample it's not very representative.