I've just been waiting for Harmonix to admit it the entire time. Its sad that they need to walk around it.
This isn't a matter of clamming up national security secrets, its a matter of being honest with people who want to enjoy your product with genuine concerns and real PR repercussions. You are toying with people's time and money. Just be honest is all I am saying. Its all I could ask for.
Just tell us XMB is never going to be fixed and the real reason why. When number values or behavior change on a power up how about telling people exactly what changed. Exact specifics, instead of making it an easter hunt for your player base to scramble to learn the new rules.