There's truth in the concept, even though the old story may be apocryphal.
Just like it was time to get out of the housing market when strawberry pickers started buying $500K houses, but only a few of us saw that one in time too.... there were as many Kool Aid addicts in 2006 as there were in 1928.
You are so correct...there have always been those who drink the kool aid...what do you think they called it before there was well kool aid...like in the middle ages?