What you’re describing is how to be resilient at a personal and community level which is well and good. It is also expensive, not accessible for many, and involves basically admitting defeat.

Yes it needa ressources, but so does being dependent on corporations and states for your food energy education etc. I feel like aiming for community resilience is of the ways we can do prefiguration, so I dont see it as admitting defeat.

I actually see it as one of the ways to organize and get ressources for what you are describing here:

We need revolutionary individual and mass action and to disassemble the capitalist domination systems that are baking our planet alive. There is no other way through where we make it out alive.