Wow, this is a powerful moment / thought. A senior team breaking down at the end of an acquisition. The fact they think they did nothing wrong serves to demonstrate that they didn't know what was required of them.
It is so important for a business to keep on growing and not always in relation to revenue, you must go through a change process regularly to keep yourself in business.
Nokia CEO ended his speech saying this “we didn’t do anything wrong, but somehow, we lost”.