Nah. People need to complain about
because they see him more in game (banned less) and he is the only other Jungler they see in the LCS (How else will the public know which junglers are strong?). Even though his winrate is lower across all levels of play.
To be fair. Gragas didn't need the last few buffs he received. People just needed to stop playing him as an AP mage Mid.
Sorry. I'm kinda complaining because I love Gragas and I hear more people complain about him than Sejuani. He's really just popular and safe: the Lee Sin effect. And that's why people hate him.