If there was an AI model that ran locally on a PC for basic things and cloud sourced computer power for more complex tasks, all of these data centers would become obsolete in an instant. All of the invested capital and materials wasted in a flash.
Edit: lots of great counter points in the comments.
Not on tiny nodes separated by tiny fiber pipes… as I said elsewhere: a $100K node sucking down $1500/month in electricity could start to serve some useful loads, and provide all the hot water you could ever need.