I'm at a 3.5, but there are days that I leave the pool feeling like a 5 again. Keep in mind you're asking for ratings from an audience that has high expectations and is motivated by continuous improvement. Poll the "swimmer on the street" and you would probably get a bunch of 1 (good) scores.
Our frame of mind is why we check this Forum regularly and are captivated by other people's videos. I'm proud to be involved in this supportive community of life-long learners.