Intel would squash an internal project like that, or drown it in politics. You could sit here all day with examples of "why did big company let little company become successful"
Little-ish? PA semi was only 150 people and acquired for < $300 million back in 2008. Intel's market cap was 150 billion back then. Impossible to say how PA semi would have fared, but as a division, it's still way smaller.