There is no such implied assertion, he said: > 100% tells you nothing - but that _any other percentage_ does tell you something. 100% doesn't tell you it is

There is no such implied assertion, he said: > 100% tells you nothing - but that _any other percentage_ does tell you something. 100% doesn't tell you it is meaningful coverage, but less than 100% tells you for sure that uncovered part doesn't have meaningful coverage.