Network isn't the only issue - speed of processing, and memory usage, are both things people should care about a lot more than they do. This is equivalent to w

Network isn't the only issue - speed of processing, and memory usage, are both things people should care about a lot more than they do. This is equivalent to wrapping every character of your website's text in a div, precisely positioning it - at a large enough scale, or with a dynamic page, it's just eventually going to cause performance issues or even lock-ups.