I think an extension of that analogy is that there are thousands of supermarkets. A few of them are well-stocked while the rest are full of sardines. There are two proposed solutions:

* Let everyone shop at the couple of good supermarkets and hope the supermarket can keep the shelves stocked and deal with the crowds.

* Get those other supermarkets to start stocking stuff other than sardines.

The right answer is probably a blend of those.