I suspect all or almost all of these play a role, but I’d also add that the world asks us to make a lot more choices now than in the past, period. We have more options in every area of our lives, our choices are less socially constrained than they used to be, and we have vastly more access to information sources for making choices, but the amount of brainpower and willpower we have access to in order to process that info and divide up among all the choices hasn’t changed.
I suspect all or almost all of these play a role, but I’d also add that the world asks us to make a lot more choices now than in the past, period. We have more options in every area of our lives, our choices are less socially constrained than they used to be, and we have vastly more access to information sources for making choices, but the amount of brainpower and willpower we have access to in order to process that info and divide up among all the choices hasn’t changed.