They may not intentionally deprive themselves of the possibility of making a profit and they are trying to do by holding Bitcoin that they may psychologically assume that the current market situation is in their favor and the dips they expect in the future. The big financial companies have unscrupulous specialists who may try to manipulate it but this is to fill their pockets and to push the market price up to the point of increasing. They may not want to lose their capital by throwing it under the wheels of the bus. Therefore Bitcoin accumulators should constantly invest in Bitcoin and not sell their valuable assets (Bitcoin) to holders like BlackRock.
Like some time ago when the market crashed a little because of the actions of whales who sold a lot so that later they could get a cheaper price and blamed the newcomer, an AI-based application from China. This also caused market panic even though it was not much, but we who like to collect BTC even though the rate is small with DCA moments like that we must also take advantage of it quickly
If you know too well your DCA accumulation money is not readily available for you to accumulate bitcoin, don't be carried away because of a dip that happens and invest in bitcoin when the money that is not meant for your bitcoin investment so that you wouldn't end up investing in bitcoin in such a way you will find it difficult to solve your daily expenses, which might likely get you off the game partially or permanently. It is always good for you to stick to your DCA accumulation plan so that you wouldn't mess up your bitcoin accumulation journey just because you are much concerned about accumulating bitcoin in the dip.