It's a fun mental exercise, but it's so far from realistic that it's funny.
I wouldn't be surprised if you could pay some of the locals living there $5-10/day to collect pine needles, and have them end up better off than they are now.
In the boreal forests of north america used to be plentiful with "wizard's beard" moss. Hangs down from the trees, light and fluffy, made really good material for diapers. So we harvested it. All of it. Turns out these beards takes forever to grow, and similar mosses and lichens that contribute to a healthy forest take a hundred, or hundreds, of years to get established in new growth. I've seen wizard's beard in a couple of extremely remote places. But the industry died when they almost extincted it.
But yeah you're right. Loads of people will chomp at the bit to harvest this stuff. And you won't see chanterelles in the grocery story anymore. And after the topsoil is exposed in those woods, expect some intense fire seasons.
Hence, harvesting pine needles could actually lessen the intensity of fire seasons, especially in drought-prone areas.