Why do teachers’ pension funds invest in stocks of corporations that are actively undermining public schools and their teachers?

K12 Inc. manages a chain of online charter schools that are noted for low performance, high attrition rates, and low graduation rates. Their teachers never meet students. They have large classes, no union.

https://mayfieldrecorder.com/2019/08/30/new-york-state-teachers-retirement-system-takes-position-in-k12-inc-nyselrn.html