I think you're being downvoted for being pedantic (and rude, in your edit), but I agree. This is a pretty good example of software engineers adopting mathematic

I think you're being downvoted for being pedantic (and rude, in your edit), but I agree. This is a pretty good example of software engineers adopting mathematical terms they don't quite grasp in order to add an air of rigour to what they write. The statement is unhelpful for anyone that doesn't know what a Cartesian product is and irritatingly inaccurate for anyone who does.