I sometimes wonder why we don't see the sell-off from another angle, which is okay I agree that people were selling and the market dumped but it is right to say on the other side there are people buying these BTC. If people are providing the liquidity, then it means there are real buyers, and sometimes the exchange is providing the liquidity, but that also means the exchange is buying not for themselves, but they will sell them to the buyers when they are in the market.
So this also explains that exchanges like big ones providing liquidity also trust the BTC and not just exchanges but almost every person who has spent some time in trading and has been involved with BTC knows that it can't dump always and it's not true that it won't recover after a dump.