Bio-availability matters.
The sugars that are bound with the fibre matter.
The fact that the sugar is so concentrated and processed matters.
In order for it to be the same, you’d need to bind the sugars to the fibres because those linkages matter afaik. So you CAN do it, but the process required would basically entail recreating the fruit.
Now I’m talking WAY out of my depth here, but the information is around