Now, if only there was a way to browse Reddit and HN using 'tin' or 'nn'.
The same kind of thinking (Reddit->FUSE->Files) could be applied to a Reddit -> Gopher proxy. To reduce the cost of the project, I'd make it self-host the Gopher server on the user's PC and make the API calls from there, rather than setting up gopher-hackernews.xyz:70
My gut feeling is that the slowest part of this would be the API call to HN  or Reddit .
I have a repository somewhere with a thing that does that, through Reddit's .json URLs, mirroring subreddits into Git repositories full of JSON files, and then serving a minimal local web interface with real time updates. I'll make a note to clean it up and publish it...
I've been playing with FreeBSD's ports system this afternoon. There's something to be said for using the filesystem instead of a database, API calls or whatever.