User blog comment:Elphrihaim/Clarivoyance...?/@comment-9048637-20130806162226/@comment-3466579-20130806212117

You know what, i agree with you, the real problem with Flash is that it is simply so good that a lot of champions that SHOULD NOT take it because of in-built blinks or dashes still uses it. It is an instant movement that can pass through walls.

Take Janna, for example, and her Monsoon. A lot of useful moves require her to Flash + Ulti, and she doesn't have any blink or dash in her kit.

Consider Riven, now. With Broken Wings and Valor she has some such amazing mobility that could easily play agains, let's say, Irelia carrying Flash with Riven using Ignite and Exhaust, or Ghost. Still, Riven will use Flash instead since it adds so much and it's so damn cheap to use. That's all.