I found the version on the left quite readable. Then I thought - this is a website of someone who wants to teach others about design, so the correct answer is

I found the version on the left quite readable. Then I thought - this is a website of someone who wants to teach others about design, so the correct answer is likely the right one. I saw the design principles in play - the justification, the section headers, etc. However, without wondering what a designer would consider as the correct answer, I'd say the left one was more readable. What does that say about designers (or me)?