The problem is that people don't want to have to pay for BOTH subscriptions. With games like CoD, Halo, etc, you only pay the gold membership fee and play cross-platform. If MS refuses to allow people to play on a silver membership, people on the XBOX 360 are getting doubly screwed as opposed to people who use PS3 or PC. A lot of people probably can't afford to be paying an internet bill, a gold membership fee, AND a FFXIV fee every single month. It's honestly a LOT more cost-efficient to just buy a new console or better PC, which definitely wouldn't help Microsoft.
I Agree that to play a paid subscription MMO you shouldn't have to pay an extra fee to access that game.
But the reality is; which America has a huge problem with is living outside ones own means. If paying the $50 a year gold membership is going to make our break you; maybe you shouldn't be gaming in the first place.
The choice is up to the player. If they game on a 360 and choose to pay an extra fee to access the game because MS decided to be greedy mofos. Isn't it their choice ultimately? They could play FFXIV for 6 - 8 years before they exceed the cost of buying a new console.
But if you game on a PC or PS3 of what consequence is it to you if someone games on a 360?
What does it mean for SE? Lost potential revenue
Let me reiterate: I agree that if FFXIV were to come to 360, only a silver membership should required to access the game.
But if it doesn't, I don't think it'll detract from current 360 gamers from playing FFXIV as they probably most likely already subscribe to XBOXlive Gold.
But what it will mean is that people that are on the fence of what console to game on and they don't currently own either PS3 is the clear choice.