Why is it often better for a writer to not put things into perspective?

Why is this so choppy?

How can a book about a man running around the whole world be so boring?

If this book isn't badly written, then why is it still bad?

What were German readers looking for in a travel book after World War II?

How was an otherwise good travel book spoiled by too much preaching?

If this is one of the classics of Portuguese literature, why is it such a slow read?