No they weren’t. They were designed to test the “uniformitarian ‘deep time’ paradigm framework.”
The claim that radiometric dating only gives deep time results because it assumes deep time results is total nonsense told by people who flat-out lie about how radiometric dating actually works, and mindlessly regurgitated by people who don’t know what a mass spectrometer is.
Because we already have carcasses of other things that are known to be that old. I included pictures of two examples – Ötzi the Iceman and Tollund Man. There are dozens and dozens of others that I could cite.