WORD ON IT! YES! Haha...
"Believe it or not, the friends feature was heavily tested by Gearbox and 2K," Velasquez writes. "However, this particular issue we found could have never manifested itself in our or 2K's test environments."
"We'll find out very soon if the issue exists for the PS3 International versions of the Borderlands. If it does, we'll hopefully have a fix implemented before it affects those customers," he says. "We are doing everything we can to get this problem addressed as quickly as possible."
Velasquez addresses the timing of that fix later in the thread, saying "The only thing I can say is that we're exploring all options of getting the fix out ASAP!"