Here’s a (not so) hypothetical for you. A long-term investor owns millions of shares at...say, .0005. Looking at the worst-case scenario from yesterday, s/he sells at the price at the lowest level yesterday, which was .002.
That is hardly a “dump” which might suggest a loss. No one should judge others P&L by their own entry/exit points. There are various reasons to sell. No! it wasn’t me. :-)