Coffee Shops Via Natural Selection

Has natural selection prevailed in the distribution of London’s coffee chains?

Trafalgar Square (sans Nelson), taken by Author. Spot the Pret.

I was in London recently which was, surprisingly, an overwhelmingly pleasant experience. This was primarily due to the excellent Factorio like integration of travel infrastructure and various related payment methods.

That is to say it appealed greatly to my inner extremely nerdy software engineer…