Can you cite a source on that? All I see is this, which doesn't confirm what you said:

Quote Originally Posted by Shuhei Yoshida
This will also depend on the judgment by the publishers, and there will be some free-to-play titles that you’ll be able to play without needing a PS Plus subscription, like PlanetSide 2 and DC Universe Online.
So you may not have to pay for PS Plus to play FFXIV, but you would need to pay for both XIV and PS Plus if you want to play any other games online anyway. Get ready, wallet, here comes PS4.