It's not like the Slovaks are any better. In 10 out of 11 positions (or 11/11 if you compare De Rossi with Hamsik), Italy has better players.
Obviously, it means shit as seen today, but if things click then Italy can easily beat the Slovaks.
Plus, have in mind that Slovakia has nothing to defend. They will also need a win (they will probably qualify with a win) so they won't defend with 10 as Paraguay and NZ did against Italy. That will leave more space for Italy's wide players.