But the PA Semi team is way larger than 20 engineers, that's for sure. Even before the acquisition by Apple, they had way more engineers than 20. I'm the guy who filmed their product launch at the Power Conference.
1,000 has to be wrong for two reasons. 1) That's an explosion in staff which your organization can't handle 2) 1,000 people on one chip is ridiculous and only something Intel gets away with.
A good estimate for a SoC would top out at around 200 people for the design, implementation and a 100% NIH syndrome.
It's techcrunch so of course the number was pulled out of the author's backside.