Earlier quoted context omitted.
The problem is people who as matter of course travel above the speed limit regardless of if any other motorists are around them, as they are “playing by different rules”, making them more unpredictable and stressful for those around them. Just two days ago I did a long distance trip and in general I could engage cruise control at the speed limit allowing me to focus more on other potential hazards around me. Occasion…
The question is, if everyone is speeding, would it not make sense to raise the speed limit?
As it is, speed limits are rarely set to the individual roads specific circumstance according to some sort of scientific or engineering method, instead most speed limits are set to a default speed used for that class of road across the state. As such, it is silly to act like extant speed limits are all correct even when nearly everybody is ignoring the limit on a specific road, evaluating that road's condition for themselves and choosing to drive at another speed.