Wait, what? I didn't read everything because the writing kind of sucks: It buries the point in details and I didn't feel like going through with a fine comb to find the point.

AFAIU: Three artists hired three construction workers to dig random holes at a still un-fenced future Google datacenter construction site. The workers dug while the artists stood nearby doing artist things. Security came, then everyone left. There was much rejoicing.

And there were cookies to be had