One explanation was that Altman was said to have given two people at OpenAI the same project.
The other was that Altman allegedly gave two board members different opinions about a member of personnel
Ilya himself was a member of the board that voted to fire Altman. I don't know if he's lying to his teeth in these comments, making up an alibi, or is genuinely trying to convince people was acting as a rubber stamp and doesn't know anything.