Had a bit of a run in with these the other day.. I went to a hotel (medium to large chain) to do various tasks.
This guy comes over to me wearing a BNI badge and asks me just what I thought I was doing he was the high chief or something. Turns out they had just finished their meeting there and the paid up spark had a problem with me.
I just pointed at the CU in the lobby that had our PIR label and logo on and said "just doin me job"
Then was talking to the hotel governor outside while he was having a cig, one of the BNI members come out of the main door and asks me for a business card. I asked if I was allowed to give on out, she reckons the spark is useless and she won't recommend him!!!