Humans can only process small amounts of information at a time (consciously that is… the estimate is that we handle 40,000,000 pieces of information every second, but only 40 of those make it to our conscious brains). There is no chunking here, there is not progressive disclosure. It’s just all the information thrown on the page all at once. The result? You don’t read it, you just leave.

https://www.blog.theteamw.com/2010/05/07/100-things-you-should-know-about-people-33-bite-sized-chunks-of-info-are-best/