How do you know if Musk gave them money or not? How do you know if money was even the issue? How do you know Musk thought he knew better? Where is this coming

How do you know if Musk gave them money or not? How do you know if money was even the issue? How do you know Musk thought he knew better? Where is this coming from? Do you always assume you know everything that other people are doing/not doing or thinking/not thinking?