For the most part, we did, actually. We had plenty of energy and computer until AI came along.

Energy will get fully solved eventually. To think otherwise is to bet against humanities ability to innovate, which I don't think is ever a wise bet.

You can practically host a website that serves millions of users a day for nearly free using Cloudflare. Imagine doing that in the year 2000.

Cloud did get cheaper. What are you saying?

I just ran a quick gpt check - EC2 Prices have gone down by more than 80% after accounting for performance and inflation over last 20 years.