Don't know if you are interested in feedback for the site, but IMO the low contrast of the gray hurts to read. I don't mean this as a knee jerk "all text must be #000 on #fff" reaction, but maybe something like --color-body: hsl(0, 0%, 10%) would be a good compromise.

I have set few websites to default to the reader-mode. http://paulgraham.com is one of them.

Here is how: https://www.dropbox.com/s/c55fa4aqqu9mmph/CleanShot%202021-0...

Yes, it's baffling to me that pg still hasn't understood that the essence of the web is to let clients handle the formatting.

Instead, he actively puts <br> at the end of each line to prevent exactly that.

I find PG's website far more readable than Hacker News...