Apparently Yoshi P finally commented on his stance on plds:

Source is here (mind you its japanese):

http://ff14net.2chblog.jp/archives/46326984.html

Translation by courtesy of Octopus over at BG:

YoshiP: "I don't think PLD is weak"
- PLD will continue to be the best defensive tank.
- There will be adjustments to its skills in 3.1
- Magic will never be able to be blocked
- There will be more physical attacks in raids