Paste the following into a bookmark. When you're on a youtube channel's video page, you can now sort that page by view count. This new version works with the 2022 UI refresh that added rows to the mix.

sort-youtube-bookmarklet.js

javascript: function findNodes(el) {
    return el.querySelectorAll('#metadata-line');
}

function isDigit(str) {
    return str.length === 1 && str.match(/[0-9]/i);
}

function metricVal(el) {
    let modifiers = {
        K: 1e3,
        M: 1e6,
        B: 1e9,
    };
    let text = el?.textContent?.trim();
    if (!text) {
        console.log('empty text', el);
        return NaN;
    } else {
        console.log('score found', text);
    }
    const match = text.match(/\d+(\.\d+)?[KMB]?/);
    if (!match) {
        console.log("bad parse " + text);
        return NaN;
    }
    const numText = match[0];
    let number;
    if (isDigit(numText[numText.length - 1])) {
        number = +numText;
    } else {
        number = +numText.slice(0, -1);
        const modChar = match[0].slice(-1);
        number = number * modifiers[modChar];
    }
    return number;
}

function compare(el1, el2) {
    let val1 = metricVal(findNodes(el1)[0]);
    let val2 = metricVal(findNodes(el2)[0]);
    if (val1 < val2) return 1;
    if (val1 > val2) return -1;
    return 0;
}

function nodeParent(node) {
    if (node instanceof DocumentFragment) {
        return node.host;
    } else {
        return node.parentNode;
    }
}

function findCommonParent(el1, el2) {
    const seen = new Set();
    let next = el1;
    while (next) {
        seen.add(next);
        next = nodeParent(next);
    }
    next = el2;
    while (next) {
        if (seen.has(next)) {
            return next;
        } else {
            next = nodeParent(next);
        }
    }
    return null;
}

function main() {
    let nodes = findNodes(document);
    let topNode = findCommonParent(nodes[0], nodes[1]);
    [...topNode.children].sort(compare).forEach(node => topNode.appendChild(node))
}
main();