Originally Posted by
BobTL
Because the A330-300 are more recent (delivered between 2012 and 2014) and it seems that they've judged that the Y seats aren't at the end of their life cycle compared the A330-200 which were mostly delivered in 2005/2006.
Although 2 A330-200 (AOM/AON) were delivered later (in 2010 and 2013) so I dunno what will happen to them.