What makes you think there aren't any review points? Some just choose to ignore most of them with the hope that things will improve in the future. This can happen when the "project" and the "role" of the supervisor are being treated not for what they are but as some strange fetishes. United could be in the 20th place on the PL table, Woodward might sell Pogba and replace him with Longstaff and Rice, other teams will be miles ahead of us and you will still get many people talking about the "United way", the young and hungry players and the right culture.
It's the same with the manager. First, they fantasize about the new Ferguson who will stay here for the next 20 years and reshape the club in his own image and then the role becomes more important than the actual person in charge. What's the manager's job? Win matches and make his team look better than the sum of its parts, right? Not at United, apparently. Here you can be a constant failure but it's alright as long as you do things a certain way. All you need is time because, eventually, the "role" itself will do the job for you. And so you willfully choose to ignore all the negative review points, you find all plausible excuses and you just wait.
Just go to any other forum and ask this simple question: Come next May, who would you choose to become your manager, Solskjaer or Allegri? See what you'll come up with. Here they'll tell you that "although Allegri may be the better manager, Solskjaer is better suited to get us forward" Because he gets what the club is all about. The other one is better only at winning football matches. So feck him.