They let Tanaka have the game first and he failed us Final Fantasy fans and I was thinking he was going to bring the best MMO experience ever and he fail way short. Yoshi is stepping up and making decisions that he believe will make this MMO be great and things he and his team would personally like to see in the game. Because other FF games didn't have a jump button doesn't mean this one should because those were old school single player RPG's and a jump button wasn't needed. FFXIV is a lot more action oriented and wouldn't be harmed in any possible way by adding a jump button and in fact would make more people happy because it is an extra option that adds a realistic feel and a never before seen in a Final Fantasy title which will add to the immersion for some people. You say they have to redesign the game for jumping, swimming, and climbing and you are wrong about that. They are already whether you like it or not adding jump and it should be in one of the upcoming patches after 1.18 and it doesn't take overly long or too many resources for them to program this into the game. I do doubt we will ever see swimming and climbing but you never know it may be possible when they redesign zones and if they decide to implement such things as this.
Also to say Yoshi is a WoW fan isn't completely true, he played WoW, DoAC and other games and is a fan of westernized RPGs and they just so happen to be the best sellers and the most appealing to the people in the States. Currently I am a fan of Yoshi-P because he is doing what he believe will make this game thrive by adding the common denominator in that is seen in most if not all current MMOs. Sure some fans will complain because that is all they know how to do, but I who happens be an avid FF fan, RPG fan, and MMO fan of all types, I agree with what Yoshi is bringing to the table. To you though that doesn't matter because no matter what we say or Yoshi says all you see that he said he played WoW and that is honestly what your argument is against. You don't like the fact that this game is going to be changed to be like any other game or have added features that is standard in WoW or other MMOs out there.