A good or a bad design can make or break… almost anything. A book could have the most riveting, original plot line the world has ever seen, but if it has a boring cover, it may not ever reach the masses it should reach. A website could hold vital, life-saving information, but if it's not intuitive to navigate, you might as well forget about it. A car could have maximum fuel efficiency and durability, but if it looks like a hunk of junk, nobody's going to buy it. Humans are visual creatures, after all.
Our eyeballs like to be entertained and we do not suffer bad design. Unless, of course, we're looking at a list of hilarious design fails sources from all over the world, hand-crafted by a loving editor with a desire to make us laugh while exposing the humorous shortcomings of the human race. Then, in that case, we relish in bad design.