There's a very big difference between a random caller doing a survey (no connection, no ongoing relationship, no obligation) and your own son, or even between t

There's a very big difference between a random caller doing a survey (no connection, no ongoing relationship, no obligation) and your own son, or even between the random caller and anyone close enough to you to ask you to a funeral or party. Do you really not see the difference between these situations or are you just doing a reductio ad absurdum?