The global warming programs were a result of company policy, but antics like this often come from twenty-something interns who don't know anything but the propaganda they learned in college.
One person has a passionate opinion, and the others (who might not have done the same thing themselves) don't actually disagree and aren't going to protest.
But, no, they aren't actually affiliated with the Weather Underground ...
Weather Channel owned by NBC/Comcast
They follow their corporate masters.