When I people say "I want everyone to be able to code on the web in JavaScript", what I really hear is "I want an Internet full of broken, unusable, and possibly dangerous garbage, written in one of the least safe and elegant languages ever created, where most things are completely hostile to the majority who come across it."
Additionally, if this person can't read a ten-minute tutorial on how to install Ruby with homebrew, imagine what else they probably won't do:
- Read/write a CoC or contributor's guidelines - Spend time translating their web pages, or making them accessible - Understand basic security and privacy issues/best practices - Take the extra time to make useful bug reports, or make reports at all - Read (or write) references, documentation, or tutorials - Learn general netiquette for commits, mailing lists, pull requests - Understand the basics of open-source licenses
And maybe this is totally fine for your completely personal hobby project, but the next logical step is having other people use it. This isn't the kind of behavior we want to carry into that next step.