I wave if I know them; they wave back since I'm not being shunned, yet.
Actually, I haven't seen many, known or unknown to me, going door to door. Certainly, none at my door or in my neighborhood.
The word gets back to me that many congregations are not working their territories at least once a year as is unofficially mandated by the WTS. To fool the CO, some cover their territories by putting old magazines in the door (without knocking) and then turn it in as worked.
Blondie