Riot shouldn't listen to the community, kinda
Why? The quick answer is, most of the vocal community is made up of people who really don't understand the game, are very entitled about what they want, and/or refuse to consider other viewpoints than their own.
The long answer is, the community is extremely varied in what they want and it is impossible to satisfy all. For instance, for every person who wants AD melee bruisers to become the top lane meta, there is also a person who wants the good old days of aura whore Jarvan+1. For every person who loves the diversity of top lane, there is a person who wants mages and ranged characters to be kicked out of it. For every person who loves the current meta of toplane, there is someone who wants the "good ole days" of renekton meta+2. For every person who hates ADCs and wants juggernauts like Garen to be great again, there is someone who despises juggernauts and wants them to continue to be gutted.
Does this mean riot should never listen to the community? No. If every ELO is having issues with a champion, they should be changed somehow. If high ELO is having issues with a champion, they should be changed somehow. There are plenty of instances where riot should listen to the community, but there are many more occasions where Riot shouldn't because listening to group 1 would completely shaft group 2.
+1 this build was basically build every aura item in the game and support your team by giving them shitloads of stats +2 this was basically "can X champion face renekton? If yes, they can play top lane, if no, they can't play top lane"
EDIT: guys. Read the fucking post. EDIT: wow. two rioter responses.
EDIT: To clarify what I mean. I'm not stating this as "I am smarter than riot and they should listen to me" but as "I am going to point out why the community is difficult to listen to." The misunderstanding comes into play in a few ways -clickbaity title -i'm not great at writing -i'm super used to talking about riot in a bubble, assuming that they are not going to read/respond to the post and using them as a springboard to make a point
and seriously #READ THE POST BEFORE COMMENTING
that are more emotional based - And so Riot will look at this not for balance but for emotional improvements
mains.
In reality us older players dont want back the old Rengar because he was very antifun with his ability to 1 shot any carry with no counter play.
rework, 
buffs etc). Good devs should listen to their community and then(since they have access to the tools to really test good ideas) filter through what's good and what's not. then communicate communicate, and communicate! Riot just plain stonewalls the community(like they do after EVERY class update(which fortunately they listened enough to stop doing them now)) sometimes and refuses to address legit concerns people have. That's my problem with them anyway. Obviously, they don't need to listen to some guy who just got crapped on by (insert champion here*) and is just venting, but they DO need to start listening much more to people who make legitimate arguments and concerns.
