Maybe not blankety send them, but given Lucid is high end, and other manufacturers have sent out free adaptors, I think they could have made it free on request. It would have been a nice node to their early customers. An adaptor for us early adaptors.
Those other manufacturers promised the adapters at the time of sale because they were promising NACS charging as a feature. And as part of that promise they were saying they would have good charging speeds.