Any reason why the defaultOptions.html = false? about admin HOT 1 CLOSED

$('.textarea').wysihtml5({
        "font-styles": true, //Font styling, e.g. h1, h2, etc. Default true
        "emphasis": true, //Italics, bold, etc. Default true
        "lists": true, //(Un)ordered lists, e.g. Bullets, Numbers. Default true
        "html": false, //Button which allows you to edit the generated HTML. Default false
        "link": true, //Button to insert a link. Default true
        "image": true, //Button to insert an image. Default true,
        "color": false //Button to change color of font
    });