Hold on...Case states that S wanted the left side of the course AND to avoid P's potential leebow. So S elected to change course. 'Nough said? Both S & P would be exonerated?

Had S held her course, P would have been obligated to keep clear but S thought that there was a tactical advantage to let P sail off to the percieved unfavorable side. P's hail does not impress me and someone should enlighten him.