Angels don't reveal themselves. Occasionally, and very rarely, are they seen. They don't show up in people's presence as guides, as they don't seek (and intentionally avoid) glory for themselves. Demons are fallen angels called deceivers of the light.
Angels doing God's work communicate with humans and intercede on our behalf, saving lives. Don't accuse them of being deceivers.
Angels don't reveal themselves. Occasionally, and very rarely, are they seen. They don't show up in people's presence as guides, as they don't seek (and intentionally avoid) glory for themselves. Demons are fallen angels called deceivers of the light.