When it comes to easy content tanking is always going to be a heavily armored dps. I don't even know how you would go about building a tank that didn't feel like a dps. I mean I've played the warrior is Tera back when the game was new. You had to actively block attacks(well it was initially a dodge roll with an astronomical skill ceiling), and needed to block for the minimal amount of time possible. Imagine if shelltron was channeled, blocked 100%, and continually consumed oath gauge while channeled. You're mitigation was directly tied to how quickly you could get blocks out while maintaining gauge. Even then it was still all about pumping out maximum dps while taking minimal damage.
Ultimately any class is all about optimizing the use of all your available tools. Tanks have a long history of being mostly dps with armor. In Everquest warriors was like 3rd highest dps behind Monk and Rogue. Tera's warrior was scary when played well, lancer was the other tank with a little less dps but a little more forgiving on blocks. SWTOR while not as powerful of dps their tanks still mostly used damage skills and again was largely about pumping out maximum dps. Ultimately you don't want duty finder to require a lot of skill. You'd pretty much need a static party to to complete dungeons. Tera's non-tank queues were almost always over an hour long, it wasn't unheard of for my sorcerer to have queues approaching 2 hours. Look how many tanks here fail mechanics regularly? You think it'll be fun when those mechanics are actually deadly? A tank still fights the mobs so what do you do to not make them use skills just like everyone else?