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.
Shitty crowd computing has helped scientists map protein folding.
Of course, it doesn’t really work here because communication between nodes not connected via physical cables in the same building would be way too slow