Ann Althouse and her husband confronted some hippie leftists in the Madison capitol who had taped all kinds of pro-union propaganda on a war memorial. They replied no one had a problem with it until she said something.
Is this really that surprising? Look at what the left did to the national World War II Memorial in DC following the One Nation rally:
These people care about one thing: promoting their socialist cause. Anything else is secondary.
Have you been to Madison? It is the Berkeley of the mid-west. These images are not shocking or unusual even in peace time, er. . .that is to say, non-protest time.