Thank you for your post, it has been suggested before to add option to change class. Making such change would require lots of work.
I hope you for now can enjoy CoA like it is and remember that you're not bound to one class, you're always welcome to test the other classes too, it only requires to log with different account.
A wise man is superior to any insults which can be put upon him,
and the best reply to unseemly behavior is patience and moderation.