by funding a startup you are adding competition to the market. Funding startups is not a zero sum game. In fact fostering a local entrepreneurship community that can compete with amazon on the market would be to the benefit of workers, the economy, and citizens. Transplanting existing Amazon jobs from one place to the other, is a zero sum game.
related article precisely on this issue:
https://hbr.org/2018/07/landing-amazon-hq2-isnt-the-right-wa...