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I never really thought of it as a problem since most orca whales are founders or insiders with intentions of seeing the system succeed. Have there been instances of abuse that we know about, or is this more to shore up the system to reduce future vulnerabilities?

most orca whales are founders or insiders

That can't be counted on in the future

true, it's possible some divest, but is this even an issue now, or just something highlighted as a potential issue?