Soylent green is PETA people
Actually, it looks rather dangerous to me. What if they didn't make enough air holes and one of the protestors suffocated?
Unfortunately, PETA is not just about silly street theater. They are about intimidation of their opponents and enemies and their families. For example, yesterday on PETA2's Daily Blog Noah Cooper posted a call to harass Sharon Waller, the wife of the CEO of WetSeal, Joel Waller, by phoning her at home on her birthday. He even posted her home phone number and address. (Scroll to the bottom.)
To extremists like PETA, anything is OK in the name of a righteous cause, I suppose.