Parsing is only relevant to programs which accept input. Excluding those, it really doesn't matter. That is to say, parsing is fundamental to virtually all so

Parsing is only relevant to programs which accept input. Excluding those, it really doesn't matter. That is to say, parsing is fundamental to virtually all software engineering efforts. The better it is understood, formally employed, and recognized as the first-class citizen it is, the more likely success can be achieved in a given development effort.