Pretty sure after that exact statement they made about them changing enchants n gems, they said they would do something about keeping those professions in check...
All in all, I mostly agree with OP. People often just read the 1 line on the mmo-champ front page and jump to conclusions without knowing any of the other stuff mentioned at blizzcon, or even worse they misinterpret what that 1 line is supposed to mean.
The only real people I see here getting screwed are incredibly tight nit 10 man heroic guilds which wouldn't even want extra people in their group. Still, there's more than enough time to start getting more people in case they still want to do the hardest endgame, and the flexibility of all modes leading up to this mythic mode only makes that easier.