A little theory of mine
Every model breaks, when too many people anticipate on the models results

I would rather say that when the creator of a predictive model does not stop changing the predictions when the facts dismantle his theory, what he is doing is making a fool of himself.
PlanB had earlier stated in June around the mining and Musk’s energy FUD that the worst-case scenario for 2021 would see Bitcoin above $135k by the end of December
Plan B Says Bitcoin Price Still 'on Track Towards $100K' Despite Missing November's Price Prediction
PlanB Explains Why Bitcoin Won’t Drop to $24.5K Again
This last one is dated April 15 of this year.