One possibility is using it exclusively to access its grammatik grammer checker as a non-AI and non-subscription based alternative to ProWritingAid or Grammarly.
Otherwise, it's still genuinely a solid option for those who want to do word processing in a terminal, which is a niche use case, but some people are into that. Perhaps as a distraction free writing environment.
Since that video was posted, there's actually been a swell of support thanks to some big youtubers making videos about it. It's already gotten 100k signatures in 2 days, so all hope may not be lost!