Here’s how I’d parse it: being a settler is going to be an increasingly common human experience in the future. Lasch teaches us useful things about the politics of settler livelihood-making, while Ghosh teaches us useful things about how settlers must avoid becoming settler-colonists.
My Plan B is no hey presto. It’s a numbers game. Slowly try to build a second, low-tech, distributed world within and around the edges of the mainstream world.