That's because the company likely doesn't view it as a mistake. The executives did their job: they tried something the company likely considered reasonable (or even strategically necessary) and pivoted based on results. At the executive level, that's not considered a blunder. What counts as a blunder would be (1) being too cautious to try a change, then falling behind your competitors if that change turned out to be critical or successful; (2) attempting at change, seeing that it didn't work, and refusing to pivot or falling prey to the sunk cost fallacy.