Every CxO at every large company looks at startups as the model to emulate - lean, focused, full of feedback.
The benefits listed, every single one, are examples of overlooked, hidden or inefficient practises by the large company - practises they try hard to eliminate.
Do you think the CEO of Megacorp thinks that weeks "training" in Amsterdam was a good use of his money? Do you think he realises there are good passionate people trying to do good on no budget. If he found out he would either give them a budget or fire their arses for working in the wrong things.
As for your time for reflection ... screw that, reflect at home.
No - big companies are trying very hard to stop being a source of "informal" VC money, rest stops for the tired and weary or uncontrolled cash spenders.
One day they might succeed.