Actually,there was plenty of notice on their website - you know, the terms and conditions attached to a ticket purchase. The changes have been there for months. Doesn't mean I agree with them and share the sentiments of many passengers who are now disadvantaged in this money grabbing exercise.
Situation is now I pack a single suitcase to my 32kg limit (a regular FF has some advantages) rather than two more manageable smaller ones (more manageable for me and the bag chuckers). Two 10kg bags (well below my particular limit) will see me charged for the second one but a 32kg bag won't. That makes sense.
You can pay for the second bag online at "only $20" rather than the rip-off $30 at the airport. A third bag won't cost you $30 though at the airport, the cost escalates as the bag numbers increase - where's the logic in that?
QF - descending to the lowest common denominator status.