No, I think he means the mouseover tooltips aren't working. Example.
It's not working for me, either.
After a horrific accident involving a radioactive housecat, Davejohnsan becomes “THE CAT YODALER!” By day, mild mannered veterinary supplies salesmen, but by night, daemon feline scourge of the swiss alps! Swiss cheese production falls sharply in the first quarter as lack of sleep slowly drives everyone in Switzerland insane