[dallbee]

PHP's speed is here is a bit of a red herring. I dislike linking to benchmarks, but https://www.techempower.com/benchmarks/#section=data-r12&hw=.... In I/O bound situations, PHP performs within an order of magnitude of C. You don't have to be Facebook, you literally just need to enable APC or XCache.

Let's focus on how horribly awful Drupal is. Or, to the point of the topic, let's congratulate the author for discovering that yes, you can in fact replace a single server with any number of cheaper computing devices (you just have to disregard all of the other reasons why we use servers).