This isn't a better/worse comparison. It's a differentiation-on-feel-and-sound comparison. The only thing this proves is that it's now possible to replicate the feel and sound of a Stradivarius to an impressive degree.
Double blind recorded audio tests often produce the same result: Listeners can't tell the difference between two DACs, two codecs, two amplifier mains cables(!) but as soon as the difference[s] are audible above a threshold, preference comes into play.
However a modern violin is produced, and however it is objectively 'better' than a Strad (if that's even possible to quantify) it will never be subjectively better for all players or listeners, if there is an audible difference - and therefore Strads will always be seen as the 'best'.
Double blind recorded audio tests often produce the same result: Listeners can't tell the difference between two DACs, two codecs, two amplifier mains cables(!) but as soon as the difference[s] are audible above a threshold, preference comes into play.
However a modern violin is produced, and however it is objectively 'better' than a Strad (if that's even possible to quantify) it will never be subjectively better for all players or listeners, if there is an audible difference - and therefore Strads will always be seen as the 'best'.