This is not an ethical issue, this is a capitalistic opportunity. The company who starts writing effective, clean and fast websites will gain more traffic = more money.
There's nothing more frustrating than waiting for a website to load, only to have the button you know you want to press suddenly get pushed down 5 cm by some interactively loaded DOM element.
There's nothing more frustrating than waiting for a website to load, only to have the button you know you want to press suddenly get pushed down 5 cm by some interactively loaded DOM element.