It is a complex economic discussion - on which Richard Aboulafia has but one of many opinions.
In a similar vein Warren Buffet holds the opinion that the Wright Brothers should have been shot at Kittyhawk!
These types of perspective ignore the immense value aviation - and projects that push the boundaries - contribute to society.
Given VLJs are only just commencing commercial operations both in Europe and in emerging economies across the globe it's rather premature to suggest that there is little value in the sector - or what the precise segmentation of that sector will look like.