This is basically so there is double the dirt and sand on the islands so people dont go and island farm or decide to try and trade it. This is my interpretation
Ok lol off topic. I still think that it wouldn't be enough for the player to not want more. No Support.
This sounds really great so less rules would be broken and the mods could relax for a little. P.S. XL means extra large so this is an idea for an extra-large island.
Again, this is an idea for a Skyblock XL server. It's a bigger island so you have more resources, however .net rules will apply. 99x99 from the bedrock, and yeah, it's just cool.