When you're trained to look at things in a non-traditional
fashion, many ideas and options are always open.
It's the SDP you're talking about, I wouldn't rule out the
possibility of a false-flag operation to simply "ensnare" them, by
overzealous middle management types. 
The fundamental issue here isn't about Chee. It is about selective
enforcement, and how convenient that a passerby should actually
complain about people selling political newsletters when those
pesky hawkers and their in-your-face touting is comparatively more
irritating and likely to get complaints from the public.