Check out "Hacker News Collapsible Comments" https://chrome.google.com/webstore/detail/hacker-news-collapsible-c/hockhafcdegocajmjhafgjncjpodihkd https://chrome

Check out "Hacker News Collapsible Comments" https://chrome.google.com/webstore/detail/hacker-news-collapsible-c/hockhafcdegocajmjhafgjncjpodihkd https://chrome.google.com/webstore/detail/hacker-news-collap... if you don't want too many changes that come with the Enhancement Suite.