Mourinho has been successful with big money clubs. I give him credit for managing the pressures and expectations there and achieving what he was employed to do.
He punched above his weight in the CL with Porto and to a lesser extent Inter, which showed he had something more about him.
But it is clear now that he was a spent force at Utd because he was incapable of doing the rebuilding required and only had some success because big money players were able to turn it on often enough in knockout cups to just about prevail.
His tenure at Spurs has shown him incapable of adapting. He is still relying on star players digging him out of a hole rather than building a team. The difference is that he doesn’t have as many stars now and those he has are stifled by the set up he chooses. To succeed at Spurs, he has needed to be the manager he was at Porto- but he’s proved to be too arrogant and stubborn to do that. He must have had man management skills in the past, but there’s not much evidence that he does now.
SAF adapted to keep up the younger managers who challenged him. At the end, even he realised the game had changed and he was too old to keep up. Mourinho won’t face up to that reality.
I'll give him Porto. Not Inter.
Average age of 29. Defenders including Zanetti, Lucio, Maicon (before Bale retired him), Chivu, Samuel and Materazzi. Plus defensive midfielders Cambiasso and Thiago Motta under the mentorship of Patrick Viera. Throw in a couple of world class attackers like Eto'o, Milito and Sneijder and you've got all the ingredients you need for a Mourinho masterclass.
He came in to a group that had already won the title 3 times in a row under Mancini but couldn't make things click in Europe. He fixed that by spending a fortune on the 3 strikers I mentioned above, then he buggered off.
Master of short-term success and long-term decay.