[Barrin92]

The article demands decentralisation of infrastructure, which if you want to facilitate payments like Wechat does which is a large and key component of the platform, requires some sort of consensus mechanism.

Doesn't necessarily need to be a blockchain, but something similar in spirit, and this quickly falls apart because WeChat does a billion+ transactions per day, that's about tens of thousands per second and there's no decentralised, secure solution for this.