For disambiguation: It's known to me there is a need for it "when a conflict happens"
For chaining style: I don't know.
Besides these, there's a previous topic suggesting this has been wanted before, and can be an improvement of life, like being a concise replacement for extension trait pattern mentioned earlier in this thread too(?), having better IDE autocomplete, and avoiding what some people believe to be "deref anti-patterns"not able to get my head around it