Lots of great points. I'm going to stick with my believe that neither of them are bad. my guess is that they've both been given biased views of something that's most certainly shades of gray.
I think you're right. Kara will likely have a bit of a rude awakening about her father, and MM will have to accept that Kara isn't evil after all.
Has Smallville ever talked about the fact that their are other non-kryptonite related powers out there.
Bart made a funny comment about it to Clark after Clark assumed he was meteor infected.
************
Bart: All right, well, a couple of years ago there was, like, this accident, right? There was this huge flash of light, and my body went into overdrive.
Clark: And this happened in Smallville.
Bart: No. Man, this is my first time here, and no offense, dude, but hopefully the last.
Clark is surprised. He walks up the stairs to the loft and Bart follows.
Clark: I've never met anyone with powers like yours that wasn't from around here.
Bart: Yeah, well, maybe you should get out more.