True, but it didn't really start to spike until around the march 22-28 bin and there are articles about this around that time, for example a quick google serach

True, but it didn't really start to spike until around the march 22-28 bin and there are articles about this around that time, for example a quick google serach finds https://www.health.com/condition/infectious-diseases/coronavirus/lost-sense-of-smell-coronavirus https://www.health.com/condition/infectious-diseases/coronav... from March 23 So this could easily be explained by people googling about the theory itself.