I'm not that cynical, I think they got stars in their eyes, were charmed at the idea of doing business with big money / tech and didn't do any actual cost/benefit analysis. Maybe they get an opportunity to make a very powerful friend/crony and took it without considering their duty to their constituents.
> Per the report, the package of tax breaks and incentives was achieved through local officials bound by nondisclosure agreements, quietly struck legislative deals, and parliamentary sleight of hand to avoid public scrutiny of the deal. [1]