Earlier quoted context omitted.
I hate to be picky (well actually...), but you appear to be complaining about a bug on the site causing all content to disappear and then concluding that the scrolling effect is rubbish. Your conclusion may be valid, but I don't think the bug you found has anything to do with it.
Maybe, but I don't think so. Content also disappears if you scroll using the mouse wheel (but more slowly, so there is some indication on how to get it back). However, nowhere else on the entire web does scrolling ever remove content from the page. I've never seen that happen, and there are multiple ways to accidentally remove content from this page. Maybe it's just a bug, but it seems intentional and it ruins the ex…
Are we talking about the same thing?