Are we in a tank drought / What fixes are possible

To me playing a tank has to do with the fun of being sturdy, controlling the enemies and playstyle.

I am not a tank player, I play a tank because I used to find it fun. But Ive been doing keys these past days and I dont enjoy the yoyoing of my healthbar. Pressing a defensive and seeing the tank buster drop you to 40% followed by an autoattack and now you are in danger.

Part of it must ne that I suck, but It didnt feel this way last season. Idk, not having fun tanking right now and its becoming a lot more taxxin that it should