I think of slack in this context like a “tax” on evolution—it doesn’t prevent the relevant forces (metaphorically supply and demand) from working, it just limits their speed, and prevents them from approaching a perfect solution with no inefficiency at the limits.
I think of slack in this context like a “tax” on evolution—it doesn’t prevent the relevant forces (metaphorically supply and demand) from working, it just limits their speed, and prevents them from approaching a perfect solution with no inefficiency at the limits.