Only if by "everyone", you mean licensed professionals. The average powerboater out of the Chicago harbors where I sail is not noted for their overwhelming intelligence nor understanding of the Rules. I can't tell you how often I've had to change course to avoid (non-commercial) powerboats plowing straight ahead, oblivious to anything in their path.Everyone knows that sailors are not as bright as powerboaters. A good captain will anticipate the situation around him and realize he has a dumb weekend sailor who insists on his right of way and doesn’t have a clue about the Rules.
Even worse... My son sails racing dinghies. When we have a regatta, we have to have at least one fast boat to zoom around and warn off powerboaters that are heading straight for groups of kids sailing in a clearly marked course.
This is all on Lake Michigan where there is infinite room to maneuver.