What's "oh please" about it? They literally openly say they intend to base it in a social credit system.
Here's a NatGeo article that also speculates on such a notion with many governments around the world openly saying they want a social certificate type system around mandated vaccines.
https://www.nationalgeographic.com/science/2020/08/how-coronavirus-covid-vaccine-mandate-would-actually-work-cvd/