All you people that are trying to badmouth Paizo for adding core races and classes need to hush. the "Core" class and race situation weren't even decided by them for the first one they were copying a pre-existing formula and now they're trying to make something their own. Alchemist is Paizo's Baby. Goblins are their Pet race. it makes perfect sense to add both to the core books seeing as the Goblin and the Alchemist are Paizo's Goblins are their Mascot and Paizo's Alchemist is its most popular creation so far.
And on top of that Until we get Playtest Material IN HAND and can PLAY IT you don't know what this game is going to be like you cant make snap decisions based on near to no information just because you "FEEL" something based on a fear of change.