[czl]

> Any 5+ year holding has been ridiculously profitable.

The more remarkable a short history the more likely it is not sustainable: Beanie babies, tulips, etc.

In a zero sum investment for every win there is a loss. Bitcoin however is highly negative sum. For every win there are far more losses. Who do you suppose pays hourly train loads of coal turned into CO2? How many years now?

[elif]

Your two examples, beanie babies(4-5 yrs bubble) and tulip mania (16 months) did not even last long enough for a 5 year comparison. Bitcoin is turning 15 this year.