This is the sort of thing that was absolutely predictable.
If you are certain that this was absolutely predictable, you are implying either: a) The Google Buzz people are so stupid that they couldn't have predicted this absolutely predictable thing (no one else did that I know of until it bit them) or b) they knew this would happen and chose to allow it to happen in the bad times hoping the love they'd get from those who like it would be greater than the pain experienced by…
That doesn't sound smart to me. Either their incentives are misaligned (b) or there are some other problems.