Ugly is a matter of perspective my very young naive Padawan.

These are all great points but it doesn't exactly hit the issue 100%. The Daily REQUIRES wins in order to be completed. So people can macro-bunny hop or AFK all they want, but the chances of them losing increase a lot more since any team with one less player has a smaller chance of winning. In terms of just grinding out commendations, then everything you've wrote applies.

Not necessarily. There are A LOT of factors that go into this but to sum up the ideal scenario of someone who leaves a losing Warzone: Person A joins a losing Warzone. Instead of riding it out and trying hard to get medals, they leave in hopes of joining a Warzone that is either evenly matched or in hopes that they are on the team doing the stomping. If they do get on the team that is doing the stomping, they'll get their win/commendations faster. If they don't and just keep losing, then they'll actually be losing more credit than they earn. But most of the time, people are just trying to get their Daily done and will just keep re-queueing in hopes of getting on a winning team.

There needs to be some kind of penalty for people who leave a Warzone early. The best method I've seen is putting a timer on people before they can queue again. There are too many instances of people leaving losing games and just queueing up for a different one. For example, if I join a fresh Huttball and the enemy team scores first, I will see people leave. If I join a losing Huttball, I notice that the group is losing because people are just dropping in and out. In the other Warzones, if a team starts losing by a big enough margin, people will just stay in spawn until they are kicked out. This kind of mentality is ruining the PvP experience because a lot of people aren't willing to try and come back if they are losing and would rather just get kicked out and queue for another Warzone. I feel that having no penalty for leaving a Warzone promotes this kind of behavior.