Malabar neem tree

1) Everyone says one thing in common it is the worlds fastest growing plant.
2) Requires zero maintenance.
3) Does not make land un-utilizable as in the case of eucalyptus.

Medium Density plantation : 600 -700 trees an acre is what is being suggested.

My Doubts:

1) Poeple say that it is used in plywood industry but when I enquired with plywood shop dealer he was not aware if malbar neem is really used . I dont see right row even it being used for paper industry.
2) After 7 years Regarding the economics everyone seems to be having their own