Incomprehensible messages are a failure mode that indicates insufficiently advanced capabilities. Ambiguity doesn’t help with that message, to the current or to the successor civ.
You do not understand what I am saying. The message is not for us and so our inability to interpret the message is irrelevant. Ambiguity and in general the small amount of relevant information is an important security property that helps ensure the aliens do not convey more than they mean to.
You do not understand what I am saying. The message is not for us and so our inability to interpret the message is irrelevant. Ambiguity and in general the small amount of relevant information is an important security property that helps ensure the aliens do not convey more than they mean to.