A lot of folks only care about the visual output of Markdown with little regard for the HTML semantics of the output or the plaintext legibility. This is why to

A lot of folks only care about the visual output of Markdown with little regard for the HTML semantics of the output or the plaintext legibility. This is why tools like these are created. Its also the audience that made READMEs no longer plaintext readable—embedded with all sorts of HTML, graphics, badges, manual table of contents, center tags, etc. Meanwhile the focus on the visual will help increase the rampant abuse of > to put a box around things instead of a semantically denoting blockquotes for quoting sources.