Even if we accept the premise that surehandedness is the most important metric for punt returners, that does not mean you can't, or should not, seek a returner who is both sure handed AND a threat to make a big play.
The Seahawks are a good example. Tory Horton and Rasheed Shaheed averaged 14.9 and 14.7 yards per return, and combined for 6 returns of 20+ yards, 3 of 40+ yards, and 2 TDs. Neither had a fumble.
Clearly, we can aspire to have the best of both worlds.
