Hmm, perhaps the main explanatory factor for ossified opinions is not the passage of time, but individual personality / circsumstances. If so, it is fortunate:

Hmm, perhaps the main explanatory factor for ossified opinions is not the passage of time, but individual personality / circsumstances. If so, it is fortunate: once you discover an unbiased person, you can put greater weight on their opinion for a bit longer.