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It's a strange sentence for sure. Organising your programs around data and its transformation happens to mean you are aware of how hardware organises, represents, and transforms data, and accommodate that to keep things running smoothly.

I would say the purpose of DoD is most certainly to make fast programs, but guess the point of that quote is just to further emphasise that this is all about data.

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I think this is a very important distinction though, because if DOD is to be possible to consider as a programming paradigm you'd have to be able to state how a program is meant to be built up from scratch.

An object oriented programmer would propose the program to be built up from objects, the functional programmer would propose to build with pure functions. I would image a DOD programmer would propose to build the program with data transforms, which is a more general thing than just "make program go fast".

Of course making good use of hardware is easier in a paradigm that uses hardware level data transforms as its building block, but I don't think it makes any sense to make that the _defining_ feature of the paradigm.

The emphasis is on the data, not the transforms. The code is often not the interesting part.

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