^ What he said.
Also, since this is a list sorted by highest value of short position outstanding,
1) Title is deceptive & potentially nothing to do w/ Hedge fund outright positioning
2) Issues tend to be some of the larger CAP stocks; which you would typically use, to some extent, as more of a general directional MARKET/SECTOR/THEME position &/or MARKET/SECTOR/THEME hedge position
2) Because of (2) no expectation that these stocks are particularly disliked by one group of participants
In conclusion, article is total cr@p, but thx for posting, always interesting.