While it being right for him to go now does not mean that it was right then, it at least means it might have been right then. And remember that people like Monty and others back then weren't making the argument that there are bad signs but he deserves the chance to turn it around etc etc. They were making the argument that anyone who questioned him is an intellectually challenged, working class moron who needs a new hobby and deserves cancer.
Hindsight being 20/20 and all that, would anyone really argue that 2-3 years ago when Klopp and Pochettino were on the market wouldn't have been an awfully good time for him to go? There had been steady decline post the youth experiment at that point and we were beginning to see the stagnation we have now taking hold. I'm not convinced the intervening 2-3 years has been good for anyone.
Most of all, Wenger.
It is customary within any business model to ensure that one has at ones disposal slightly more than one spends. Its obvious really, whilst one wishes to maximise the spending power of the resources one has at ones disposal one is also mindful of ones responsibility to ensure that such spending does not place in an invidious position the long term financial stability of ones organisation particularly where the use of such resources, and the perceived benefits of the spending of those resources, is so closely tied to the very long term stability one would be endangering.
"Plenty of strikers can score goals," he said, gesturing to the famous old stands casting shadows around us.
"But a lot have found it difficult wearing the number 9 shirt for The Arsenal."