In this case, showing testimonials isn't core to most pages anyway, so no big deal if they fade in a second late. Heck, the animation might bring more attention

In this case, showing testimonials isn't core to most pages anyway, so no big deal if they fade in a second late. Heck, the animation might bring more attention to them. It's kind of bizarre reading hundreds of words from this author about this problem when he could have solved it 3 lines of JavaScript, checking the width of the element and swapping a class value.