It was a legitimate protest of a stupid law that uses a legacy of inconsistent thought and limited perception to do an end run around the first amendment, but the text of the law requires a poster per building, so if they have enough in English, there would be no "need" to accept or post them. Now, if a principal or administrator had some balls, I certainly don't see why they couldn't use one of these or to flank the posters they do post with lots of context or more diverse ideas.
Pretty funny indeed (Crossposter note: thought it would fit here very well) (midwest.social)