The behavior of the StackExchange™ MultiCollider SuperDropdown™ is different before and after the page fully loads.
While page is loading: Links to StackExchange.com
After page load: StackExchange™ MultiCollider SuperDropdown™ (Showing inbox if you have new items)
This becomes a bug when you have a new notification in your global inbox, and you click on the SE logo, and instead of showing your inbox, it directs you to StackExchange.com.