I don't think the PvP is actually "good" :
- 90 days campaign length doesn't make any sense (even GW2 reduced it by half, from 2 weeks to 1 week), it will bore people and they'll most likely spend their time server-hopping (inb4 $20 campaign transfer fee).
- Communities will have to cater around campaigns (go to X campaign if you want challenge, le Y campaign if you want to play with french people, etc), we'll have full campaigns with bad performance / 4h queues during primetime and Alaska pop density campaign with empty Cyrodiil map.
- Input delay seems to be a big issue, some skills don't launch / land due to character animations being fucked up with lag. Heavily crowded campaigns will most likely be slideshows where you select your rotation based on skills which actually work.