Are a blight on the internet.
No. I don't want my scroll bar to be hijacked so it matches your custom theming. Now my accessible tools like scrolling quickly don't work anymore.
No. I don't like waiting minutes for a page to run javascript to load anything, and then each click taking minutes to load and being unable to open other parts of your site in a new tab (like notifications or another artist I wanna check out) without having to repeat this process again.
It's hell. Stop it.