That’s a cool site and I’ve seen it before. But what I’m proposing is a bit different.
Imagine users who created those scenery addons listed in that site, submitted it to Asobo. After quality checks, Asobo implements that handcrafted scenery into the default scenery. So when you install the next update, it’s available to every single MSFS user for free.
I’ve covered it I’m more detail in this topic.