I struggle to visualize a world where most people even use lightning. Though I accept it could happen. But do you honestly visualise a world where most people who use lightning will self custody aswell? I think theres a much greater chance of quantum computing breaking bitcoin before that happens
Discussion
I don't know, it's definitely not ready now, but may be in the future. I am convinced future is multilayer, not everything will be happening on lightning. Every layer design has tradeoffs, and some are better for one usecases, other for others