Everybody wants to know what Bitcoin's price is going to do next, and there are a lot of theories and conceptual frameworks out there that try to make a prediction.
2. A Whale would want to leave his holdings and trade for real-world assets like real estate and companies at least partially, if not entirely.
So how would the whale manipulate the market if they don't dump and buy back after dumping if they're just trading other assets?
3. Thus, a Whale would want to keep the price of Bitcoin as high as possible while at the same time reducing their own exposure to Bitcoin.
Not necessarily a good assumption. Not even a whale interested in market manipulation wants Bitcoin price as high as possible. Your theory of a whale community in contact makes no sense if that is the case. If whales are to grow their advantage, the only sensible approach is direct manipulation of the market by dumping and buying when the market panics.
4. A Whale, having an understanding of how markets work, and living in a "pod" of other Whales that they would be in coordination with (either directly, in a personal way, or using market telemetry i.e. tools to track the movements of the other Whales), will be able to understand and execute very significant market manipulation.
There is no way to understand and execute very significant market manipulation without the coordination, so I agree with this point.
5. That manipulation only goes so far, as the longer-term arbiter of the price is consumer investor demand for Bitcoin.
I wouldn't say I completely understand what you mean here, but whatever.
6. Because of this, Whales would do what they could to increase consumer demand of Bitcoin, and these Whales, being billionaires, would have a lot power to promote the purchase of Bitcoin to investors (direct marketing, media capture, regulatory capture, influencers, and so on).
This makes sense, though I don't see how they've done this in practice. Bitcoin became popular mostly because criminals, ponzi scheme operators and the like drew the attention of governments and law enforcement agancies to it. Then some governments saw its potentials and embraced it through instruments like ETFs.
~snip~
8. Besides direct promotion, Whales would also promote Bitcoin indirectly by manipulating the price: making sure the price level didn't fall too drastically to spook the market, and then pumping up the price to get the excitement going, and so on (and doing this in coordination with with the other activities, for instance timing a big market purchase with a meeting at Mar a Lago or supporting the market during period of negative news).
This has been overflogged already.
~snip~
Answer: go whale watching. Every day. Build whale-watching tools based on the public blockchain. If Whales determine the price of Bitcoin, then watching what the whales do can be very profitable. (Of course you could argue that if the Whales start getting watched in a significant way, then their ability to manipulate the market would diminish).
The other thing you would do is wonder about the macro situation: what if some or all of the Whales... panicked and dumped their holdings? Obviously that would lead to a market crash--one which would hurt the Whales more than anybody else--but what if they were lead to believe that they had no choice e.g. that the price was never again going to go up?
Interestingly, the Whales make the case for both stability (they have an interest in the market moving in a stable way to increase long-term sentiment), but also add catastrophic downside risk.
It's all very interesting stuff to think about. I look forward to comments, criticisms, and additions to this theory.
I think whale watching is a waste of time. The commonsense thing to do is move opposite the market if you're confident that it is manipulated. When investors are spooked is when you should be confident. When they're confident is when you should be skeptical. Simple.