And no one has yet shown how any of those prices were justified.
How is the price justified for anything? There is no formula other than price comparison, and time, to 'justify' the price of anything.
Price of oil 5yrs ago was $100 a barrel , last Yr $20, this year $40.
Oil does the same thing today as it did 5yrs ago. It's utility has not undergone any fundamental change.
How are any of these prices 'justified' other than comparing the price, derived from market supply and demand, over time.
It is clearly identifiable as a bubble.
A characteristic of a bubble is that it is not clearly identifiable. It's what makes a bubble a bubble.
We can all speculate at any given time what is, or is not, a bubble. But a bubble is only clearly identifiable after its price has burst and crashes. Until that point, it is not clearly identifiable.