Thing is, this community telling riot bit is pretty hazy. There are plenty who way top is weak, or top feels bad, theres also a frequent board poster who 1 tricks shaco who has made BRUISERS AND TOP OP posts for almost 1 year now, and theres others who share his opinion.
Part of the reason I'm making an effort to create my posts in a poll format and encourage civil disagreements is I really want to try to build and show community consensus. I hope to encourage folks to participate with out letting their opinion instantly override others. I don't think we on the boards present a positive or well thought out argument frequently enough that riot can or should take it seriously.
I don't think balancing to enforce a meta around what's popular or "player favorite" is a healthy stance for them to take. You answered your last two questions in your last paragraph. ". Who cares? Why can't Riot respond to player interest?" their mains care, their mains are players, the changes are of interest to them. Trying to provide viability for the champ pool is always good, if quin becomes strong she will become fotm and will become one of those popular champions same for liss. Liss has had moments in the meta where she has been a popular pick, so an argument exists that she languished as a borderline troll pick to long that her popularity faded to near nothing.
I feel its a shame but a lot of lol players only follow metas, they copy and paste others playstyle and personally I find that unfun.
Anyhow thanks for participating, if i don't hear back from you i hope ya have a great day.