That particular example is an overly silly but I often write cat file | grep ... or cat file | awk '{blah}' for ad-hoc stuff even though I am fully a

That particular example is an overly silly but I often write cat file | grep ... or cat file | awk '{blah}' for ad-hoc stuff even though I am fully aware that I could easily avoid the cat simply because having the regex or awk code at the very end makes it easier to read, edit or extend with additional pipeline elements.