It’s the opposite: if you insist on keeping your browser maximized that can mean that you probably need all the width on some other site which scales poorly.
I never keep my browser maximized.
I never keep my browser maximized.
HN and other text based sites are more readable in narrower windows or on a phone.
HN on a phone suffers when comments are deeply nested (this one) and when somebody quotes text using spaces as of it was a block of code.
Bur it seems the ad delivery has the priority.
I simply have a separate browser window for “wide development” sites. I see nothing wrong with that.