The former Chelsea manager said: "Arsenal were incredible against Milan and across the two matches there's no doubt which team deserved to go through.
"But it's a unique situation which Wenger enjoys, when a coach can fail to win anything for a few years and still work under no pressure at all!
"It's an idyllic situation, he's still an idol. And they don't even develop their own local youth talent, they buy young unpolished jewels and then make them shine.
"He is given time to work serenely and build results - it's a very different approach to most clubs."