It was already an interenational standard, as was HTTP
Wait, what? It was already an interenational standard,Hypertext Transfer Protocol was invented before Hypertext Markup Language? That was an amazing piece of prescience! How did the original implimenters know that some time in the future, a document format called HTML would exist? Did they have to first invent TSP (Temporal Scrying Protocol)?
I am willing to accept that unlikely occurrence based on your well written (and well-moderated!) post. However, in all seriousness, I must call complete bullshit on your 'HTTP was just like FTP' statement.
HTTP represented a completely different model of how client / server communication should take place. FTP was closely related to it's popular contemporary protocols: SMTP, Telnet, etc. With it, you would first connect to a server, exchange credentials and other digital pleasantries, request a file operation, transfer data, and then bid a formal farewell to the server.
In fact, FTP was a different to the other protocols in another manner: it opened a separate connection for the actual heavy lifting, using it to send or retrieve file data.
HTTP is a completely different way of thinking: Simply connect to a server, tell it what you want and how you want it, read the headers and then read the file. Simple, agile, and low-latency.