This is a great tool for people who hate tags. Bad tags preferably. Automatically edits out tags you specify from questions. For example, a tag that stinks and should be burninated would be "guide". Its meta-y, is usually used by people looking for tutorial links, or by people who don't quite get tags (e.g., user asks the question "how do I add …

IllegalTagEradicator.userscript

// ==UserScript==
// @name       Shitty tag eradicator
// @namespace  http://statestreetgang.net/
// @version    1.0
// @description  Quick way to remove the Books tag and delete the question.
// @match      http://stackoverflow.com/questions/*
// ==/UserScript==

function exec(fn) {
    var script = document.createElement('script');
    script.setAttribute("type", "application/javascript");
    script.textContent = '(' + fn + ')();';
    document.body.appendChild(script); // run the script
    document.body.removeChild(script); // clean up
}

window.addEventListener("load", function () {
    // script injection
    exec(function () {

    /* add other tags that indicate the question should be DELETED here */
    var tagsThatGetYouDeleted = ["education", "suggestions", "books", "ebook", "exam", "tutorials", "tutorial", "oreilly-book", ];
                                 
    /* add other tags that should get REMOVED but don't indicate the question is deletable */
    var tagsThatShouldJustBeRemoved = ["mmorpg", "authors", "technologies", "code-reading", "teaching", "information", "guide", "tips-and-tricks", "railstutorial.org", "slowness", "blogs", "article", "programming-pearls", "database-optimization", "puzzle", "podcast", "audiobook", "economics", "usability", "recommendation", "training", "intermediate", "mindmap", "mindmapping", ]
    var tags = $(".post-taglist .post-tag").map(function () { return $(this).text(); }).get();
    var deleteQuestion = false;
    var toSave = [];

    $.each(tags,
           function (index)
           {
               if ($.inArray(tags[index], tagsThatGetYouDeleted) !== -1) // if the tag is in the deletion list, mark delete as true
                   deleteQuestion = true;
               else if ($.inArray(tags[index], tagsThatShouldJustBeRemoved) === -1) // the tag is not in the dl, and if it is not in the removed list
                   toSave.push(tags[index]); // save it
           });
// we saved all tags, so are done
    if (toSave.length === tags.length) return;
// Unfortunately, at this point, you probably need to flag it for mod attention because it sucks balls        
    if (toSave.length === 0){
        alert('This question has nothing but bad tags on it.  Either figure out a valid tag or flag and ask a mod to delete it if it is hopeless.');
        return;
    }

    var id = document.location.href.match(/\d+/);

    // posts your edit, and votes to delete if the question sucks
    $.ajax({
        type: "POST",
        url: "http://stackoverflow.com/posts/" + id + "/edit-tags",
        data: { fkey: StackExchange.options.user.fkey, tagnames: toSave.join(" ") },
        success: function ()
        {
            if(deleteQuestion)
                $.ajax({
                    type: "POST",
                    url: "http://stackoverflow.com/posts/" + id + "/vote/10",
                    data: { fkey: StackExchange.options.user.fkey },
                    success: function () { window.location.reload(); },
                });
        },
        error: function (x, status, error)
        {
            alert(status + "\\n" + error);
        },
    });
        
    });
}, false);