Do these people not know how creepy they are?
I always found the idea of "informal witnessing" distasteful and dishonest even when I was in.
Although, I always had a problem with being too honest I would go the door and say "Hi, I am a Jehovahs Witness and I 'm here to offer you a bible study, are you interested?
I was told it was "too forthright." 🤐