If he's properly backed by Usmanov, he will deliver, simple.
Napoli asked him twice to rejoin.
The new management at NUFC (lol) would've asked Benitez back after the takeover if they could.
Ask Valencia supporters.
If it wasn't for Ian Ayre he probably would've managed Liverpool again before they struck gold with Klopp.
He knows & cares more about the city than Koeman, Moyes & Ancelotti combined. He's tactically more sound than them as well.
Given time and money, he will make Goodison a fortress, give the team an identity, and you'll be in Europe. That's where Everton ought to be...