No, as I wrote, you can run WordPress locally (ie on your own workstation, local server, whatever) and have it send to S3.
I gave the WPEngine link just to prove people are doing it with WordPress and it's not a pipedream.
I gave the WPEngine link just to prove people are doing it with WordPress and it's not a pipedream.
The author obviously don't want to compile the site as it takes too long for him, so compiling a wordpress blog would not yield any time benefits.