Earlier quoted context omitted.
> " Target and Walmart are catching up " Exactly. Amazon is still well in the lead. They have likely analyzed this entire problem with news and features scheduled over the next 2 years to resolve it as soon as their competitors gain any real ground.
That's still not anything close to "perfect execution".
The company is operating optimally, making the most revenue with the most growth while controlling costs and taking market share from all of its rivals. Nothing's perfect, but this is as close as you can get with a trillion dollar company that remains in the lead and is pulling even further ahead.