Who's right & who's wrong is easy to say, depending on the person's background of both live and audio experience and past experiences, which people have.Who's right and who's wrong?
Those who like it probably do so in spite of the shortcomings, and those who don't like it won't be able to go beyond those shortcomings and appreciate some of the qualities that others find.
As to shortcomings, sure it has a few, like many. You could have shortcomings on many factors in different systems, naturalness is just one of them. I can completely understand if someone says the above has a shortcoming on extension, or if they require even more detail, more space behind, etc. This is totally understandable. Naturalness of that is not. You can improve systems along the natural axis, or keep them on the artificial axis throughout your journey, e.g. just upgrade afoo speaker from the 30k model to the 300k model with 2 subs and dCS Apex spinning patricia barber.