I DO wish they would do what they did way back in the ultron event quest, though; give out two star versions of featured champions through alliance events. It let people get an idea of whether or not they wanted to go for the champion. It'd probably make them more money in the long run if they did that again, and besides, nobody's really gonna get that much use out of 2*s anymore. Back then, maybe. Now, though, there's no downside to giving them out.
That said, 2*s probably aren't high on their priority list right now; I'd assume bug fixes and the like are currently their central focus. I'd hope so.
No, if I ever reach a point in the game where I no longer receive 2 star champions, I'll sell them all. I only keep them because I get ISO + shards and it's easier than selling them.
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At least then I'd be interested a little more
Just collect points, then redeem.
That said, 2*s probably aren't high on their priority list right now; I'd assume bug fixes and the like are currently their central focus. I'd hope so.