It's a pun, Adams is noted as a brewer ETA: "Adams has often been described as a brewer, but the extant evidence suggests that he worked as a maltster and not

It's a pun, Adams is noted as a brewer ETA: "Adams has often been described as a brewer, but the extant evidence suggests that he worked as a maltster and not a brewer." https://en.m.wikipedia.org/wiki/Samuel_Adams https://en.m.wikipedia.org/wiki/Samuel_Adams