This is what I don't get People put points into STR. Why? I'm serious why are you putting point into this stat?. Vit is mostly the way to go. I feel that most people go for STR because they see ooo I can parry more damage. YES but your parry has a chance to occur. If you don't parry that hit or dodge it you don't have a shield so what keeps you for being alive. Your defence and your HP, bigger health pool means that you can take a lot more hits. Yes you are spikier then a PLD but that is always been the case for non shield tanks in any MMO your healers just need to work around it. Use your CD correctly and just let the healers figure out how to heal you.

STR would be the way to go if you had a Parry chance of 100%. But it's not so you want to rely on defence and health pool to keep you alive.