What do you suggest we base probabilistic predictions on?
What I think he is saying is that something like pandemic may happen that will make the world panic like the time of Coronavirus Pandemic which may cause the fall of bitcoin in price more again which might make bitcoin go below $15000, but people fail to understand that it might not be because of the pandemic that bitcoin price fall that time because during the pandemic, bitcoin rose. When bitcoin even falled to to $3900 in 2020, it took only 1 hour to increased back above $5000 and later in increased back to $7000 and even above. Some people will fail to understand that people are strongly waiting for halving which will lead to another significant bull run.