I've seen and heard how ballers like to light people up.
Sure if you're not calling your hits you are asking for it, but other wise no.
And the mess? No. It's bad enough I get that garbage funny colour jizz on myself when I play at a field, let alone get covered in the bukaka on purpose.
It depends where you go, but at some places I've been at the 'Honor' system is a joke.