Earlier quoted context omitted.
> Request says "Hey... can I read a document named this?" and the computer shows you the document. Did you not skip over a lot of steps in between? User: Hey can I read a document named this? Server: Sure, let me spend resources and spin harddisk and lookup the thing you wanted. Oh hey, I found it .. here ya go User: Great. ---- You've conviently ignored the resources the "old" web had to spend to serve you. Nothing…
This argument makes no sense, because the CPU and disk resources required to serve up a modern ad (and the megabytes of JavaScript that come with it) are 100-1000x more expensive than just serving up the content.
Hacker News is dynamic, a webserver has to dynamic stitch together the comments and send you an html. It has to make sure the page is always fresh with latest comments, and vote count. There's batch processing happening in the background, with multiple rounds of storage and backup.
So yes, to the user it is "Please give me the homepage" and "Here ya go" but behind the scenes it is expensive, at this scale.