The slogan of the new Drupal website is:
Come for the software, stay for the community
This is the typical process by which people learn that Drupal's ultimate strength is its community, rather than its code base.
Websites are like human beings - any two websites can be very different and do very different things, but under the hood they are 99% the same. Any website (large or small) has very small unique code base, compared to the enormous software stack that it sits upon. Other components in the stack are typically: