I agree, though to be a pedant:
> perhaps ONE of those articles
It is the same article each time, though the comments coming off the different postings of it might have unique nuggets of useful information to dig for.
> Thank you for providing links to the others though! I’m sure it will be helpful for someone.
It isn't as prominent as on other sites, so it isn't difficult to miss sat right at the bottom of the main page, but HN does have a working search function. I find searching for older posts this way can be quite useful for the above reason, when something comes up that has existed for a few years.