[zamadatix]

    document.body.innerHTML = document.body.innerHTML.replace(/,?\s*dear\s*reader,?\s*/gi, ' ');

After that it's much more tolerable. It does leave me wishing it spent more time exploring the differences themselves and less time setting the stage for how it's different though! I want to learn how, what, and why, or what still needs to be done and how it may or may not impact things... not just that someone wrote code and it supposedly went fast in one set of tests.