More personal blogs get narrower width

[unisyncd]

More personal blogs get narrower page in recent days posted on HN. Is it a new fashion?

Examples:

https://jtibs.substack.com/p/if-all-the-world-were-a-monorepo

https://mini.gmshaders.com/p/tonemaps

[k310]

I find most of the internet completely unreadable without a reader extension, often built-in as with Safari and Firefox (yes, I found it).