Earlier quoted context omitted.
> AMD could have ROCm perfected if they really want to. It's not an act of will or CEO dictat. It's about hiring and incentivising the right people, putting the right structures in place etc all in the face of competing demands. Nvidia have a huge head start and by the time AMD have 'caught up' Nvidia with it's greater resources will have moved further ahead.
If head start is a moat, why wouldn't you count OpenAI's headstart as moat?
OpenAI brings absolutely nothing unique to the table.