I always hear and read all the typical stuff about arty, from both sides. The very first World of Tanks battle I ever played was in a tier 2 US arty (the t57 at the time was the tier 2, fun fact I went troll platooning into a tier 8 battle with it once and killed an enemy Superpershing who was just saying how I wasn't gonna be able to do anything and was being an annoying troll ) on my dad's account when he was showing me "this great new game". I have played a decent number of battles in it, typically do well, and feel that arty is an important part of my WoT experience, but not an overwhelming majority.
Now, I have sat for years listening to both sides flame each other back and forth about the "sky cancer" or whatever, yet in all my years I've never really had a huge problem with it, so I don't know what people are so pissed at arty about. Sure, every now and then you'll get a game where you get one-shot, but that's VERY rare, unless you play exceptionally poorly, in which case that's your call to do a little bit of improving. Arty players are right about that, it's actually pretty hard to hit things in an arty unless their target isn't paying attention for some reason.
HOWEVER, I also understand very much the frustration with artillery itself. I have the occasional fit of rage at a one-shot, or infini-track. Speaking of which, the FV304 (I believe that's the tier 6 British arty off the top of my head) is incredibly stupid. I don't care if it deals more damage, it's just incredibly unbalanced in it's current ridiculous rate of fire state. Nerf the ROF plz.
TLDR: After thinking about things long and hard (ha), I believe the solution is simple. Arty needs to have shorter range. Not even necessarily like 500> meters away, but just something so they can't sit behind mountains on the farthest corner of the map, but somewhere where you have a hope of maybe spotting them luckily, or with a suicide scout, and they have to have a bit of skin in the game. This would especially be a good solution with the new tier 10 light tanks coming in, which brings me to the sandbox changes (which I am participating in, so I know what I'm talking about here). After reading a certain post by a very committed artillery player, I can assure everyone that arty is still just as annoying as ever. I personally like the new changes, both from an arty player standpoint and from a regular tank point. I can now actually move out from a rock, or advance in my slow TDs and heavies and think "ok, I might take a shot, but at least I have a chance of getting where I need to be" (ie, I can do this, but with that arty presence I better make sure it's worth it first, rather than "nope".). And when playing arty, let's face it, splashing enemies with a larger radius and still dealing around 300 damage per shot is really fun, which is what this game is all about. And it feels a bit more strategic than the old "ha i got one!" system.
Anyways, I just wanted to provide my thoughts on what I feel is the problem and solution to arty. I hope this doesn't devolve into arguments, as if we DON'T argue we can actually find a solution that works for everyone. But this is the internet, so I have no hopes up for that...