ISTR that the advantage of this jet (having spoken to them at the last Farnborough) was a significant % of parts commonality with the Cessna Citation, which would make it popular with smaller air forces; where aren't there Cessna depots around the world? Added to that was the then cost was in the region of $12m which when compared against the F35 for example, allows for a higher jet/$ ratio. Quantity has a quality all of its own.