"Hard to believe Facts" 
Did you remember when was the ATH priced in during the 2016 or 2012 Bitcoin halving? Or do you want us to remind you?
Here, take a look at the timeline of Bitcoin price movement.
https://www.investopedia.com/articles/forex/121815/bitcoins-price-history.asp 

Please take a look at how Bitcoin reacts after a year from the halving. Is it a coincidence, or the people speculating on a price trend?
Even before from the past 2 halving without the pandemic, the price movements after the halving resembles today.
So, It would be too early for you to say that the bullish predictions never happened. Wait until 2021 ends and come back to this thread.