The human concept of materialism appears to have been produced by historical humans who were also conscious, which at least sets an order. To call this into question is to render logical debate incoherent.
Materialism is a theory, not a reality, but its adherents can't tell the difference.
> To call this into question is to render logical debate incoherent.
Unfortunately there are quite a few things of that nature. In no case does it justify blindly picking one of the options and then following up with bold claims based on an arbitrary assumption.