Discussion
Please expend to more than a few months, then we can make real conclusions.
I bet he might be right at very short term, Bitcoin could dip to 80k, nothing dramatic, but year MSTR and friends would dip 2-3x more probably. Then we will go back to a new ATH and it will blow (no-coiners) mind once again.
The main point is that M2 is an input to never miss for your trade strategy, not the price levels given in that post.
You just need to google a bit to get the full picture: