Comment 73 for bug 642421

"While it is undesirable that this error is emitted so prominantly during boot on any system, even had this error been on the release teams radar, it is unlikely it would have been a release blocker as it does not seem to affect functionality, nor does it affect a large percentage of the install base."

And right here you have, in its tightest expression, the core reason why Ubuntu will never reach levels of popularity beyond the tiniest fraction of computer users world-wide.