Design for privacy and confidentiality: make use of "Type new message" prompt
Since we stated using Teams I am receiving - and sending - more messages that are not for the intended recipient
This is in part due to an inadequate user interface that makes it difficult for the author to see in which context the reply is: one-to-one chat, group chat, or a Team Channel.
This is true for all Teams applications be it desktop, Web or mobile apps.
A contextual upgrade to the "Type your message" prompt could help: