Cheddar Man is not, therefore, the first human in Britain, the first modern human in Britain, or even certainly the earliest known modern human in Britain. What he is — and what the 2018 announcement was specifically claiming — is the oldest nearly complete human skeleton found in Britain. This is a more specific claim that refers to the state of preservation and completeness of the remains, not to absolute temporal priority.
The distinction matters for accuracy. Cheddar Man’s significance is real and substantial without requiring claims that overstate his temporal position. He is an extraordinary specimen from a period of British prehistory about which surprisingly little was previously known from genetic evidence. His DNA, read after ten thousand years of silent preservation, has told us things about his population that we could not otherwise have known. That story — accurate, specific, sourced — is remarkable enough to stand without embellishment.
He was not the first. He was among the best preserved. And what his preservation gave up, under scientific analysis, has made him one of the most informative windows into Mesolithic Britain that science has yet opened.