The Artifact bonuses end at the time the Campaign ends.
You will earn Rewards from the Campaign even if you never open the Campaign screen (in that case they will be mailed to you at the end of the Campaign).
The Tasks are designed to be completed with normal game play - so if you never open the Campaign menu, you probably won’t finish every Campaign Task, but if your normal play pattern is quite regular (every day or 2) and you play various game modes during your normal play, you’ll probably just coincidentally finish some Campaign Tasks without trying.
So basically, whether you want to follow the Campaign Tasks religiously or if you refuse to pay attention to them, you’re more than likely going to get Rewards regardless of your attitude toward the Campaigns.
The idea isn’t to dictate to you how to play the game or force you to play a game mode you wouldn’t normally, but to provide a variety of Tasks which suit different kind of Gems’ players favourite game modes, or which can be completed in more than 1 type of game mode. Basically we’re giving you more stuff without making you have to do extra things, but if you play a lot you’ll progress further in the campaign and get more rewards.
The Elite+ Pass is only $5 more expensive than the Ring of Wonder and lasts 10 weeks compared to the 28 days (roughly 4 weeks), each give different rewards but some players may find the Elite+ Pass more valuable than the Ring of Wonder or other Packs. Obviously if you’re someone who plays PVP several hours a day then Ring of Wonder is probably more your bag with the Gold and XP bonuses but not everyone plays like that.
The Campaigns may sometimes have a Mythic Troop in the Elite Rewards, currently the only way to buy a Mythic is in the $50 packs, so $10 for a Mythic and a bunch of other Rewards on a Pass that lasts 10 weeks, vs $50 for one that lasts 30 days may be more valuable again.
To me personally, I think this is all good value for everyone, Campaigns give every player rewards whether you pay attention to Campaigns or not. The Elite Passes are probably better value than a lot of other Packs in the game ($1 a week for a Mythic, a weapon and other things?). The things in the Elite Pass will be obtainable sometime after the Campaign ends if you don’t want to buy an Elite Pass.
It will be interesting to hear more feedback once the first Campaign has been under way for awhile, and interesting again to hear more feedback once it has ended, but I wouldn’t be particularly worried about Campaigns before they’re released. I do understand people asking how the Artifact bonuses will affect different events, particularly Guild Wars though.
Just trying to address some of the questions/concerns I came across in this thread… if I missed anything you need a dev to answer just yell out. Not here to argue with anyone about your opinions, just hoping that maybe this post will hopefully shed some light on the Campaigns and what you can expect. I know it can be hard to read tone and I know I’m sometimes not the best at conveying my tone so just thought I’d add that bit at the end, I’m totally chill and looking forward to more feedback once you’ve all had the chance to participate in Campaigns