Bit late and pointless anyway.
It is quite common if you are respectful and remorseful in front of magistrates they will be pleasant to you. Remember they are used to seeing essentially horrible people who have dozens of offences and who are rude and show no desire to change.
DD is a stupid thing to do but it's not malicious. People do it because they incorrectly think they are safe.
There are many more drivers who I loosely term "twatty Audi and BMW drivers" who drive aggressively every single day, even more so around vulnerable road users. They know they are putting other road users at significant risk. Shame the book isn't thrown at them even harder.
