Artists make art.
Michael Heizer makes massive engineering problems for other people to solve and pay for. He also creates massive logistical problems for those who need to arrange permits to transport his “art” to the fools willing to host it.
But not maintain it. An installation in Lansing had to be torn down because of structural and design flaws which posed a danger to onlookers.
These stone, steel, concrete, and dirt monuments to his ego are the illusion of permanence. Just a place for his rich patrons to party, then scurry back to their mansion fortresses behind massive walls.