His point was that this is a yearly event, not just a normal random sale. In addition it's not just one or two games at a slight discount, there's like 50+ games in the sale, often going for 50-75% off. Even titles that normally get just a small discount (mainly recent games...Right, I'm going to ignore you now.
A sale's a sale no matter how you look at it. Add one extra word onto the title and all of a sudden it's special? :/
So no, this is not a normal random sale. It's a huge sale, a yearly event, with tons of money saved on tons of games. Therefore it is information that is new and that many people would like to hear about and would gain from, so it's news as far as I'm concerned.
Iono, kinda hard to be thinking of it as a yearly event when they have huge sales like this multiple times a year.