Not sure how this would apply to lawyers. If it were targeted I thinkbits impermissible ; if it’s general I think it’s ok. But not sure. If you’re arrested some crim attorneys send out jail mail to everyone booked that night. I think that’s permissible.
Realtor ethical code unknown to me.
Ethics was one of my favorites classes. I like arguing the ethical rules.
Even comes up in real life occasionally.
I used to work or ethics opinions for a firm I once worked for, internal opinions.