I can only think of a few major offsetting forces:
- If the EU invests in replacing US software, bolstering the EU job market.
- China might have substantial unfulfilled domestic demand for software, propping up their job market
- Companies might find that declining software quality harms their bottom-line, leading to a Y2K-style investment in fixing their software stacks
But those don't seem likely to do more than partially offset the decline
Kind of hoping I'm missing something