I think on corporate blog posts, they have regulatory impact, so that is perhaps additionally about legal teams — printouts of web pages end up in legal filings and discussed in meetings etc.?

Happy paralegals are a finite resource.

But yeah. Someone, somewhere, is printing your web pages for their own reasons, and you may never know whether poor printability cost you.

Absolutely yes. It’s offline friendly, free of distractions, stays on page between reading sessions, and easy for marks and annotations.