I personally believe the Great Filter will be psychological. Our will to achieve things and propagate is in our brains. Future generations are likely to ask "Wh

I personally believe the Great Filter will be psychological. Our will to achieve things and propagate is in our brains. Future generations are likely to ask "Why do we have to move around a lot of matter and energy to achieve very minuscule electrical changes in a bunch of neurons, when we can short circuit the whole process and do those changes directly?" We're already kind of doing this with drugs and digital simulations...