Sltldr: “They’re just throwing away money, planting trees in the desert for them to die.”
The Great Green Wall is a top down, big government intervention that has little to no local buy-in and isn’t sustainable without continued big government funding.
Not surprisingly, the funding has mostly dried up, and so has the land.

Serious question, do you have autism?
Yes. Did you know that the word comes from the German Autismus, coined as an alternative to the term at the time “autoerotism”? Derives from Greek “autós + ismós” – “self-ism”.
That does check out as you have been performing some autoeroticism while entirely missing the point and being up your own ass.
I know comparisons and analogies are tough for you with your condition. I would look to observe non-neurodivergent conversation more before trying to enforce technicalities that not a single soul on the planet cares to do.
I would also look into what the empire you are supporting does to people like you, and why being ‘one of the good ones’ does not ever work out.