This is a useful framing, and personally I learn hard toward the "speaker is responsible" strategy. With that said, I think a continuum is an even more accurat

This is a useful framing, and personally I learn hard toward the "speaker is responsible" strategy. With that said, I think a continuum is an even more accurate framing. If you are confusing your audience, it is probably your fault. But not necessarily. Some people won't make an effort, will be distracted, or will engage in bad faith. I see it as a negotiation in which you should be strongly biased toward the audience being right.