The other thing to consider is that token usage is hopefully at its highest cost/token. As the market matures, it should stand to reason that efficiency for both data center structure and hardware should improve.
We're looking at an extremely unregulated, poorly thought out, gold-rush type market that is trying to cash in as much as possible before reality comes in to smash it in the face. As long as we keep pushing, regulations should be able to mitigate a lot of the biggest issues we see with data centers.