I noticed that a thread for the promotion of a new exchange openly advertising as no KYC got moved to the archival board.
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As far as I know there's no official announcement of no-KYC services being banned in this forum. But perhaps it's coming?
Your quoted post of Hhampuz answers it all, it's because of mixer-kind of service that bitcointalk doesn't want to have here.
There are still lot of services who offered non-KYC is still here, even have paid and free to use signature campaigns, so it's not about those services.