Well I did and I got told I was in the wrong, not from anyone official, but by another boater. The boat was in a slip. No one from the boat was around from what I could tell. It was a windy day. A boater was coming in started backing up and was trying to trun around and it was obvious the bow was going to hit the back corner of the boat in the slip. The boat was about a 24’ ish express cruiser. I stepped on the boat tied in the slip on the swim platform, stepped across to the other side and pushed off the other boat then I got back off the boat. I never did get to tell the boat’s owner what I did. I never saw them. Was I wrong? What would you do?