No I don't the type of changes you are describing talk place over time scales too large for you to directly observe. Now I might argue that we are less well informed, and educated more poorly, which might make us seem less intelligent.
Well I'm glad you swing through from time-to-time despite the lack of stimulation Pioneer provides. It is possible this forum will be revitalized, but that can not happen if there is zero participation -- thanks for helping to keep the lights on.