Are those even legal to drive in any developed countries? Or perhaps, it's classified as a quadricycle. I can't see how it can possibly match any safety standards.

Looks like something more fit for India (and not the real India, but look-down-Western-propaganda version of it), than China.

without paywall: https://www.smry.ai/proxy?url=https%3A%2F%2Fwww.wired.com%2F...