Originally Posted by McFace
The first part of this is not 100% true, but I suspect you know that. If you play as Ez then you should know that adc can poke right along with the support, especially in certain lanes (Sona/Ez is a good example).
I feel like everyone should buy wards. Does a bigger burden fall on the support to ward? Yes, of course. But if everyone wards then it spreads the pressure around and you get more map vision.
While yes, Ez CAN poke - it's very mana intensive, and unless they're positioned just god awfully, he can't realistically poke. Sure, poke when you can - but ultimately that job falls to the support. It's familiar to Blitz - yes he's awesome...when your opponents don't know how to position. Obviously this changes on games, and at my low elo I'd obviously be poking along with my support, and I do, but I've already seen a few games where I never got a chance to Q in lane without Eing first(and there I got first blood, that my support poked down to 50% for me.
I really don't think ADCs should buy wards. I main mid, I play top occasionally, and I play support occasionally(I hate jungle), and I do feel that both top and mid have the obligation to ward - and I feel pink wards don't go amiss in top, but I feel the ADC should save his gold for getting to his end-game ASAP. While Supports, and Jungles win games - ADC is the primary tool that they use.
But moving back to my OP: I don't think my fundamental question came to light:
Why should you learn more than one ADC? or said another way: When would you pick a different ADC? Ignoring for a second low elo, or pubstomping niche teams(like Galio/Amumu Galio/Orianna/Annie MF Sona Malphite), in what scenario is it better to pick..say Ezrael over Kayle or Graves over Miss Fortune?