If they had added articulation to MotUC midway through the line, it would have been a similar situation to Legends, where they'd keep rereleasing characters one the new articulation model, while other minor characters may never get the update. ML can almost be considered two different lines at this point - first attempts, and upgrades. If MotUC did that, I'd probably resent them more for it rather than the uniformity we did get.I totally get that. But also I think a fair counterpoint to that is that Marvel Legends wouldn't be where it was today if they refused to grow and change just for the sake of uniformity.
Much as I hate Super7.... I would like to finally get a MOTUC-style Lion-O. It's pretty much the one brand I think really works in that style, and even though I now have the Origins stuff, having a Super7 Lion-O next to my MOTUC He-Man is something I have legitimately always wanted. Target exclusive, though? We don't have Target, so... guess I'm SOL.
They're selling that deluxe Lion-O (new body, based on LED Lion-O, not body based on Mattel) on Amazon too, at least in the states. Might be worth checking there?