I think it depends where you are, at least for Costco.

If your model is poor, no amount of learning can fix it. If you don't think your model architecture is limited, you aren't looking hard enough.

Then just summarize the final requirements

Too bad we can't see the top deleted App

> Anybody could have thought of this or done it

To be fair, when used in retrospect, this applies to just about any big tech company