No he does not have the work rate required from Barcelona, but he plays in the Serie A. His role and his position do not require the same running Eto'o makes. On the contrary, my point is exactly relevant to Barcelona, he does not fit in. But to say he does not give it his all is wrong, because he does.
Hopefully the inclusion of Milito will help Inter go to the semi finals at least and win the league again. He needs a partner up front, Balloteli is too young, and the rest of the strikers are not up to the task. With Figo retiring, Inter need to bring a creative player, and it is going to be difficult since Diego has gone to Juventus who can combine with Giovinvo and Amuari.
I don't think he is inconsistent, he Serie A's top scorer and I don't think he scored a hattrick for Inter this season, his goals are pretty well spread out. He does have a huge ego though, and his attitude is questionable but as long as he keeps focused, I think it is okay, it can be dealt with.