No Molgrips, sensible is to drive at a speed that’s appropriate for the conditions, not to blindly follow what the signs say.
I’m not advocating blindly following the signs. Follow them with awareness.
However, you do not get to choose your own personal speed limit. This is a terrible idea, obvoiously, for two reasons.
1) People are not very good at choosing their own speed. You may think you deserve a special little snowflake badge that lets you make up your own rules because of how awesome you are, but law does not work like that.
2) A wide variation in speed makes it difficult for everyone else to drive. Consistency really helps.
3) However good or bad you happen to be at any given moment, slower is ALWAYS safer, and faster is ALWAYS more dangerous. Simple physics.
Fast observant driving is safer than slow unobservant driving.
Of course, and you’ve made that point. However my point is that slow AND observant driving is better still. You don’t have to become unobservant when you slow down.