Diversity without equal choice is just another limitation
People keep saying Botlane is having a Diverse experience, but if you ask me, that is complete bullshit. Diversity would mean new choices were ADDED to the old ones, not new choices REPLACED the old ones.
That ADC's are all, and i mean ALL becoming completely useless, with the sole exception of Lucian, only proves the toxic path this game is taking. ADC's are the very pillar that defines lategame, but sucks to suck because lategame doesn't exist so ADC's are unviable. Instead, the next best thing became botlane-defining which are
and the occasional 
TL;DR Replacement is not diversity. Limitations are not variations, please stop trying to heaven-bless this fuck up of a Meta Riot gave us. We have well over 10 ADC, 9 of them are unusable and we have 4 picks to fill that spot. 10 went down to 5, that is not diversity, that is a limitation.