Idiots running script-kiddy exploits on any device is a threat. The list says "Raspberry Pi" because of the utility in communication to the parties reading the list, not because it is technically accurate.
Cops are going to turn you away from this event if you carry in something that looks like circuit boards and wires.
Idiots runnings script kiddie exploits on their Android phone is also a threat. And?
A raspberry pi is a computer. It had HDMI ports on the back. You can put one in a box. Come on, man.