Ok I'll take this by number because Dancer was never going to be a thing and I'm actually overjoyed that it's not a thing for this expansion because of these reasons.

1. She was not dancing. She was preforming martial arts Katas. Some are in fact very graceful and preformed slowly. They are used to increase strength and balance.

2. While it may remind you of a dancer, it's likely a very Ala Mhigan way of dressing.

3. This was proven false. In fact many monk players recognized many moves she used as Pugilist and Monk specific. Including Featherfoot.

4. They worded it just fine. New jobs = more than one. And Red mage was one of those more than one jobs. They clearly did not want to spoil that we were only getting two jobs this expansion.

And they haven't broken the tradition. They did NOT release the section containing a Samurai until after Samurai was announced. There was no slap in the face, no bait and switch, just people reading what they wanted into a character even after they told by numerous people that this woman was a monk, hyping themselves up into a frothing mass only to get disappointed because what they thought they saw wasn't what they saw.