Why do cloud providers keep building datacenters in America's hottest city?
theregister.com
theregister.com
The above outweighs cooling costs.
The tax incentives for construction are the same as other regions (that's what"competitive" means in my summary). The tax incentives are needed to compete with those other regions' tax incentives, not for cooling.
It was mostly a shitcomment whatever the case, the problem with your assessment is that your unexamined priorities. Profitability being the sole determinant is how we all burn.
edit: point of that being, if we place a different thing as top priority, there are creative ways to synergize solutions so as to not have to give up large datacentres as an available resource.