Earlier quoted context omitted.
I'd think that the claim >Nobody invests a billion dollars in a facility without first lobbying to get an exemption from property taxes. Most states in the US have passed incentives that include sales and property tax exemptions. is not at all supported as "exactly the truth" by a link that lists 11 states with property tax abatements, most of which are not full exemptions. Am I mistaken?
11 states have them specifically for data centers. Most states have some form of this in general : https://www.michiganbusiness.org/services/pa-198/ What's more, having a statutory abatement is only one way to get around property taxes. What you also see are things like a industrial revenue bonds. Those don't require a special law. They just shift the tax burden to the public. Again, the idea here is that you're ince…
Any source that they're confused about (b)? I believed you about (a) until I read your source- the notion that they're getting misled by construction job numbers was plausible- but I can't imagine how a government would be so fundamentally confused about what data centers are as to believe they'll provide local services or somehow goods.
What seems more likely to me is that the states/counties/cities believe that they will take in enough tax revenue while providing very little back in government resources that throwing in a discount works out just fine economically. I don't think you've made much of a case otherwise.