Why is it likely? Why would Apple leak this story, when this would be contrary to their practice in every other case that anyone can recall? I suppose you have a theory. What is it?
Do you know what the financial times is? Do you know their reputation? Do you know how they source stories? I already laid out that they have not and would not run a story on every company who claims apple might by them. For this story to have run they had confirmation from within apple.
I don't know where people got the idea that apple has never leaked anything. Sure they don't ocherstrate large scale leaks for products but employees and reporters have always had relationships. For crying out loud Gruber has sources at apple that tip him off on stuff all the time.
People have created this weird mythos around apple and jobs where nothing ever got leaked. That is not reality.
To reiterate the financial times did not run this story because someone at Beats told them apple was interested in buying them. They got verification from someone in Apple. There are companies every day who claim apple. Google or Microsoft are going to buy them, almost all of them lying.
I suggest you do some research on the publication in question and educate yourself. They are not neatApplerumorstuff.me