You are the minority demanding to be catered to.
This community is also undoubtedly composed of the kind of problem solver that can overcome this kind of hurdle.
You don't need to use FF - I just gave an example. There are loads of translation sites around and if you are really desperate - chatgpt 8)
Now as to language and HN: Yes a lot of us on HN speak and write english natively. There are several varieties of english. I happen to hale from England but I don't claim to speak the real english (whatever that is). For many people here, english is a second or third tongue. They all have my utmost respect (and most have accents that gives english an extra dimension too)
I'm a fan of inclusivity and it turns out that I don't have to dig out my japanese to english dictionary to deal with this article.
What pisses me off is when a link is given to a paywalled site on HN.
Yes, paywall is the worst but fortunately people paste archive or links to read it which is greatly appreciated.