You make it sound like we're getting Icardi and losing a guy like Vidal. We'd lose Higuain and get Icardi. There's a lot more potential for the upcoming year, we wouldn't feel the Higi absence.
Still, I'd even prefer to sell Higuain if that means landing SMS. Then we can play more aggressive and actually attack the opponent and not only press when we lose 2-0. Roma demolished Barca this year and they had a far worse team. Allegri would never go through there, because he'd sit back and wait for mistakes.
And no, I'm not saying Allegri sucks. And no, I'm not saying we should get Roma's coach.