I think they were using it as shorthand for all of the physical risks that physical fabricators have, rather than saying circular saws are the one single risk and there is no mitigation.
People might find it fun to know there is a literary term for this -- synecdoche!
> a figure of speech in which a part is made to represent the whole or vice versa, as in Cleveland won by six runs (meaning “Cleveland's baseball team”)
(in this case, "circular saws" representing the whole class of dangerous power tools)
