That's the reality of every organization if it survives long enough.
Checks-and-balances need to be robust enough to survive bad people. Otherwise, they're not checks-and-balances.
One of the tricks is a broad range of diverse stakeholders with enforcement power. For example, if OpenAI does anything non-open, you'd like organizations FSF, CC, and similar to be represented on their board and to be able to enforce those rules in court.
