IMHO: Part of the game and not Toxicity
1. Faction Wars - It's part of the mechanics. So if you do faction dailies expect to be PKed. I am only talking about Misty Woods. If you can't handle it, look for a party/clan/ask help from faction. This is an MMORPG after all.
2. Bidding Wars (Class Specific Weapon) - It is also part of the mechanics of the game. But my take here is, when a certain item for example a breakthrough weapon was placed on bid and you have a class on your party that specifically match the weapon, everyone should just pass. If there are two same classes, they need to dea