Given what I know of the situation (which admittedly isn't much), wouldn't the best course of action be to shitcan the CEO?
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Presumably, the real world is a bit more nuanced than that.
There is no reason why you cannot run a company for different motivations than "get as rich as possible" while still accepting investments from people whose sole motivation is "get as rich as possible". While difficult, it is possible to align people even when they have different motivations.
Conversely, investors can be mission-driven or otherwise aligned with you on something other than "maximize my return," but those investors rarely give you the best price.