> But the simple fact is there's massive evidence that in skilled hands 10x or 100x engineers are possible. We're seeing evidence of it across major open source project as well. And definitely behind closed doors across companies.

Each of these three sentences are in need of some evidence. I'm not actually seing any signs of software velocity notably increasing anywhere. Except perhaps in the AI-reseller sphere, but that seems mostly due to throwing huge amounts of VC money at it and a lack of quality control.