We now have tens of millions of data points showing just how wrong this perspective ispic.twitter.com/cJghgS4bvM
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Even in <60 the proportion of truly asymptomatic infections is relatively low so...
I know, anecdotal (case review they call it). I count more actual close contacts with asymptomatic (I realize I was positive because X had it or I did the ab test just because) including cases of >60 than actual PCR+ symptomatic. In which I count my wife's aunt of 92yo.
So I am not that sure anymore about that one. 
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