https://thenextweb.com/science/2020/06/29/how-aliens-could-use-black-holes-to-power-an-intergalactic-civilization/

Remember when I warned everyone that humans would probably destroy all life in the universe like construction workers killing ant colonies to make way for a never-ending series of cosmic strip malls?

A team of researchers from the School of Physics and Astronomy at the University of Glasgow in Scotland has me concerned that we might not be the construction workers in that analogy.