The US. If they want to serve users in other countries, or if certain states make their own rules, it's business as usual whether to serve different content there or serve a different header or take the legal risk.

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lokar 2 hours ago | parent [-]

That seems unworkable and a practical matter

	▲	fc417fc802 an hour ago \| parent \| next [-]
		It's the exact same problem that age verification faces. There are different laws in different jurisdictions and operators have to figure out how to comply with the ones that matter to them. Think of the (current) header as meaning "we would have blocked you if we saw you were under 18" or whatever equivalent and it should make sense.
	▲	traderj0e 2 hours ago \| parent \| prev [-]
		They already do this, like there's Victoria's Secret's US website vs Qatar.