See I just want them to quit with the "shady looks into the distance" with her (like that chess piece shot) that suggest she's secretly evil, 'cause it's pretty clear that she's not. She's good, though hardly a saint, who's a loyal friend to our protagonist but has a somewhat different perspective on aliens than our other main characters have, and the writers just need to let her be that, imo. She's also plagued by her family's legacy and is desperate to make her mark on the world and has actually has the brains and power to do that as well as a Luthor-instilled reckless tendency to take care of things herself even when it's incredibly ill-advised, so that's another element they can play with. They don't need to add the "but is she really evil?" question to all that, because we're beyond that with her at this point, imo, and frankly, it applies a reductive two-dimensional outlook to a character they've already established as a complex, three-dimensional person. But overall, I've found her characterization to be pretty consistent - we just gradually saw more layers to it that helped us understand her earlier behavior over time. And a little consistency goes a long way for me right now, when they have episodes like "Alex," "We Can Be Heroes" and "Homecoming" where Kara or Alex behaved completely out of character so that some other character can make a point.
And I'm pretty sure there were only two Rhea/Lena dinner scenes, lol. One in "Alex," one in "City of Lost Children." I found the first one pretty interesting, because we got to hear Rhea's twisted perspective on what went down with Kara and Mon-El, and Lena's reaction to her "gods" slip-up that made me hope she'd figure her out (which she did), so it was hardly filler. The 2nd one though, yeah, that was filler. But then so was that whole damn episode 'til the end, pretty much.
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