He is not saying that a second class is not allowed as much as running a second or third class would be hard for those of us who already race one or both classes. Matt is stating that there are 2 working classes and not enough drivers available and willing in general. To add mini, first people need to show up with them. Most of us who are already into sedan and GTR may or may not pick up mini as an additional class. The main thing is to get the minis there and race them, but it takes everyone to show up to support their class. Someone has to put in the time to make it work.