> A solution like "you have to opt into being added to a team" is really ugly from a UX perspective and harms the service for honest people. We have thought ton

> A solution like "you have to opt into being added to a team" is really ugly from a UX perspective and harms the service for honest people. We have thought tons of this. Clearly, this person has never been involuntarily added to a chatty group MMS conversation.