A couple of things came to mind while reading this, first is that I believe I read a very Valley place like Y Combinator had been telling startups to "just use Rails" so it's at least not universally dismissed in "big tech".
As for Hacker News, it's like Twitter but without the good parts. While the articles linked can sometimes be interesting, the comment sections are circlejerks that do good to no one. It is, in a sense, an anti-dev.to. Ben, they're not worth the anguish.
If you want to still see the articles linked, use a Twitter account like @newsycombinator (twitter.com/newsycombinator), which only share the story links and no direct links to HN pages and if you still end up on a page with comments (HN or otherwise), extensions like Shut Up (rickyromero.com/shutup/) can help avoid you glancing at them accidentally (you can whitelist sites like dev.to of course.)
Finally, if you want to participate in the madness from a safe, abridged distance, visit n-gate.com/hackernews/, with the caveat that the author of that website is rather vicious, but he does have a way with words. Don't visit if you want to eliminate casual negativity in your life, but the same should be said about HN itself.
With regards to Ruby, I found myself agreeing with a post by a Ruby programmer about the various mental approaches to programming and the tools and languages people use them for here: mkdev.me/en/posts/the-three-types-...
I am firmly in the "programmer-engineer" camp and am not too fond of Ruby and other more "literary" languages, but the post made me appreciate much more how different minds map to different language families.
If you have the time, try out some exercises in a language you don't know or think you wouldn't like. You may not end up liking it still but it will broaden your mental horizon and may teach you a concept or two you can use in your favourite language.
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