How «catchy» these states of mind are depends on several factors including: how sensitive we are to subtle cues,
how strong their tendency is, and how closely connected to the person we are.
Not exact matches
There would still be a
strong rearguard action to fight — the Corbynites, as with the Militant
Tendency before them, would not give up without a fight — but the fight would be won by a Smith, likely pulling in expert advice from his fellow Welshman, Neil Kinnock on
how to cleanse an infected party.
Since the Milky Way, a typical spiral galaxy, is 150 000 light years across, this would neatly explain
how stars remain glued to the Milky Way despite a
strong tendency to fly off into intergalactic space.
As to
how economists have fared with their guesstimates, economists have a
strong tendency to undershoot their forecasts, so there are far more upside surprises than downside surprises.
The reason so many elevator pitches are boring or unmemorable is that people have a
strong tendency to talk only about their professional features — what they do and
how they do it — which is not likely to leave a lasting impression.