A Population That Pollutes Itself Into Extinction (and It’s Not Us):
https://mobile.nytimes.com/2018/04/30/science/microbes-ecological-suicide.html
"microbial village be infected with mass stupidity, to devastating effect. soil bacteria fed a diet of glucose and nutrients in the lab & allowed to grow at will, ends up polluting their local environment so quickly & completely that the entire population soon kills itself":