"what is wrong with favoring the villains over the heros?" Well for one thing it's "heroes". lol All grammar/spelling Nazi stuff aside, it's like rooting for the antichrist or the devil while reading the Bible. It's OBVIOUSLY wrong.
And the excuse "it's just a movie" is the most naive response a person can give. You do know they call TV shows television PROGRAMMING for a reason?
No where in Star Wars do they ever EVER say that the Sith's point of view is understandable. In ROTS, when Anakin says "from my perspective the Jedi are evil" it's to clearly illustrate how crazy he is. GL also said of the Emperor that evil people always THINK they're doing good when they do great evil.
And no, you're not being conditioned to like the hero, the hero is just an admirable character that is supposed to show you good from evil. The stuff HW is putting out IS conditioning you though. What you don't get though is that SW has been outside of HW up until Disney bought it. That's why TFA will have conditioning in it to make you understand Kylo no matter what he does and it's obviously why they chose to have a black main character. They didn't do it because they feel for the black perspective, they did it for monetary gain and to program us.
And again, no, the heroes don't always win. Mace gets killed, Obi Wan has to sacrifice himself and Anakin gets corrupted by the dark side. Luke is the only hero who necessarily won in the films. Hell, Biggs, Prokins, Red Leader, Dack, etc. Tons of heroes died in SW.
The reason why you have good guys vs bad guys is to help show kids right from wrong. Adults are supposed to already have a grasp on it. So if you choose to identify with villains it says something about your character.
You said it all with this: "I prematurely made this meme without doing proper research". You clearly didn't. It's great that you have opinions and express them, but mental instability is the reason for people associating good qualities in villainous/evil characters. . :l