> Any tool, even if it had near-zero marginal utility must necessarily improve performance, as you can simply elect not to use it. No opinion on the specific

> Any tool, even if it had near-zero marginal utility must necessarily improve performance, as you can simply elect not to use it. No opinion on the specific tradeoff here, but in general it's not obvious to me that your statement is true. Using tools involves opportunity cost, so sometimes "not electing to us it" can on average be a net win, no? There is a cognitive and time load to using it at all, right?