Silences were last season's "no-no". Now it's blinds.
Not being able to auto attack? TOXIC. Not being able to cast spells? TOXIC.
Not being able to auto attack, cast spells, move, use summoners, taunt, dance, do anything? PERFECTLY FINE, LET'S ADD MORE!!
logic.
CC is easy to negate with 
, tenacity such as 
, quicksilver such as 
, cleanse 
, map vision control as to not get surprise ganked 
, and not over extending/ running 1v5 into the enemy team. What you SHOULD be worried about is knock ups and suppresses and in that case play gankplank with his scurvy ability.
