Tampermonkey Userscript Hide Twitter Trending Now and view counts

// ==UserScript==
// @name         Hide Twitter Trending Now and view counts
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Hide Twitter Trending Now and view counts
// @author       You
// @match        https://twitter.com/*
// @icon         https://www.google.com/s2/favicons?domain=twitter.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';


    function bodyCallback (mutations) {
        tryToFindSidebar();
        tryToFindTimeline();
    }

    function sidebarCallback () {
        tryToHideTrendingTopics();
    }

    function timelineCallback () {
        tryToHideViewCounts();
    }

    let bodyObserver = new MutationObserver(bodyCallback);

    const bodyTargetNode = document.querySelector('body');

    bodyObserver.observe(
        bodyTargetNode,
        {
            childList: true,
            subtree: true,
        }
    );

    const tryToFindSidebar = () => {
        const sidebarTargetNode = document.querySelector('[data-testid="sidebarColumn"]');
        if (sidebarTargetNode) {
            console.log(`sidebar is present.`);
            let sidebarObserver = new MutationObserver(sidebarCallback);

            sidebarObserver.observe(
                sidebarTargetNode,
                {
                    childList: true,
                    subtree: true,
                }
            );
        } else {
            console.log(`sidebar is not present.`);
        }
    }

    const tryToHideTrendingTopics = () => {
        let trending = document.querySelector('[aria-label*="Trending now"]');
        if (trending) {
            console.log(`hiding Trending Topics pane.`);
            trending.style.display = 'none';
        } else {
            console.log(`Trending Topics pane not rendered yet.`);
        }
    }

    const tryToFindTimeline = () => {
        var timelineTargetNode = document.querySelector('[aria-label="Timeline: Your Home Timeline"]');
        if (timelineTargetNode) {
            console.log(`timeline is present.`);
            let timelineObserver = new MutationObserver(timelineCallback);

            timelineObserver.observe(
                timelineTargetNode,
                {
                    childList: true,
                    subtree: true,
                }
            );
        } else {
            console.log(`timeline is not present.`);
        }
    }

    const tryToHideViewCounts = () => {
        let viewCountsTargetNode = document.querySelectorAll("a[href*='analytics']")[0];

        if (viewCountsTargetNode) {
            let viewCounts = document.querySelectorAll("a[href*='analytics']");
            viewCounts.forEach(viewCount =>{
                viewCount.parentNode.style.display = 'none';
            })
            console.log('# of view analytics: ', viewCounts.length);
        } else {
            console.log('viewcounts are not present');
        }
    }

})();