If you click on the "X minutes ago" it takes you to that comment's page, where it's not greyed out. Or use this bookmarklet to ungrey all comments on a page:

If you click on the "X minutes ago" it takes you to that comment's page, where it's not greyed out. Or use this bookmarklet to ungrey all comments on a page: javascript:(function(){var i,x=document.querySelectorAll(".commtext");for (i=0;i<x.length;i++) x[i].className='commtext c00'})();