But it's not. I just launched a website that handles many taxing db queries over multiple pages and I'm able to achieve ~500 requests per second on a single wor

But it's not. I just launched a website that handles many taxing db queries over multiple pages and I'm able to achieve ~500 requests per second on a single worker with some simple memory caching. PHP is a waste of resources in the proper sense of the terminology, thus this Ghost stuff is fundamentally better.