The last decade here certainly illustrates that - the damage they've done to this country will linger for many decades The LNP IPA continue to stalk this country, just waiting for enough to forget

Yep, but that forgetfulness seems to be accellerating. Tories are now back within 1 point of Labour here. (Though tbf arguably thats as much a symptom of how awful Labour are rather than forgetting the Tory record). Post ww2 1945-63 there was some hope, seems to have deteriorated from then.