It's not so much a straw man as it is a misnomer. What he's calling a "dynamic language," I (and I think most others) would call a "dynamically typed language." It's possible to have a dynamically typed, static language - with the dynamic keyword, that's what C# is, for example.
I try to avoid any discussion of "typing" when I comes to programming languages because I recognize both my own ignorance in the nitty gritty of language design and the general lack of consensus in the meaning of "x typing" terminology.
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It's not so much a straw man as it is a misnomer. What he's calling a "dynamic language," I (and I think most others) would call a "dynamically typed language." It's possible to have a dynamically typed, static language - with the dynamic keyword, that's what C# is, for example.
I try to avoid any discussion of "typing" when I comes to programming languages because I recognize both my own ignorance in the nitty gritty of language design and the general lack of consensus in the meaning of "x typing" terminology.