Feels like the author completely misunderstood at least one of the fundamental and basic concepts of DDD - writing how it is only about the problem and not the

Feels like the author completely misunderstood at least one of the fundamental and basic concepts of DDD - writing how it is only about the problem and not the solution space, where it is actually very clearly about both - but still decided to write down a very sure judgement of it. Disappointing.