Interesting note: the first line of a Gemini response is a MIME type. It's usually `text/gemini` but there's no reason it can't be `text/html`, `application/javascript`, or anything else. A while back I did a little poking in some Gemini server code and made it do precisely that: serve HTML files which I accessed via elinks. Of course once you're serving HTML over Gemini you might ask, exactly what advantage am I getting by putting it over a purposefully-broken subset of HTTP, and I would say that's a damn good question.
In 2024 I wrote 'The modern Web and all its crappiness didn't come about because there's something inherently wicked in HTML and HTTP, it came about because people built things on top of the basic foundation, extending (sometimes poorly) and expanding. The more people play with Gemini, the more they'll want to "extend" it... and the closer they'll bring it to HTTP, because it follows the exact same fundamental model once you strip off the extraneous document format specification' and I stand by it.