"But it would be nice to see some efforts to incentivize green energy for those datacenters instead of just saying "whatever" and powering them with coal."

The major datacenter operators all have very aggressive targets for clean energy which they have been mostly sticking to.

Google: https://sustainability.google/progress/energy/

AWS: https://sustainability.aboutamazon.com/products-services/aws...

Azure: https://azure.microsoft.com/en-us/explore/global-infrastruct...