AP Shyvana, an example of bad game design

Just finished a few games where somebody on my team was playing and I have to say that this champion perfectly shows what is the main issue with the game at the moment. A tank should NEVER one shot an ADC under ANY conditions. ADC's are supposed to be a counter to tanks and should never be blown up by one poke or R.

Does anyone else see this and wonder, "what the hell are Riot doing?"

Also, this item really in my opinion, should be removed and something else put in its place. Encouraging people to be reward, even when they miss skillshots is counter-intuitive Riot and I really have no idea why this item is in the game?