This happened in my life too! I had a Customer complaining about bad WiFi in a conference room. Every time I checked it I had good performance. Eventually I at

This happened in my life too! I had a Customer complaining about bad WiFi in a conference room. Every time I checked it I had good performance. Eventually I attended the meeting most of the of the complaints related to just to observe. What I observed was workers from cubes near the conference room microwaving food for their lunch in the break room right across from the conference room.