[algo_lover]

Still not sure why you chose C though? You could have chosen anything which meets all your requirements.

Many languages have markdown parsers in them, produce binaries, and are portable.

[apitman]

This is covered in the article.

[Brian_K_White]

Having read the article, I somehow know why they chose C.

C satisfies all their priorities, and there are not many, or even any other languages that do as well, and none actually better.