Let your "someone" be Bob and anyone on his "spam list" be Alice, and you've made it a given that Bob's contacts include Alice. If Alice installs Signal and Al

Let your "someone" be Bob and anyone on his "spam list" be Alice, and you've made it a given that Bob's contacts include Alice. If Alice installs Signal and Alice's contacts include Bob, then yes both parties will see the other suggested in their Signal app. Else no. In the past Alice could assume Bob is capable of receiving phone calls and SMS, and now Alice could assume Bob is capable of receiving phone calls and SMS and Signal messages. Is it too revealing for people to be able to know this 1 extra thing when they already knew 2 extremely similar things?