They've had 5-10 second page load times for over a decade now. I just don't get it. Not fixing search I can understand (they want you to stay on the site longer

They've had 5-10 second page load times for over a decade now. I just don't get it. Not fixing search I can understand (they want you to stay on the site longer and not just find what you want and dart), but a regular page load I just don't get.