Isn’t part of entertainment the journey, not just the destination? As Levi said, Loki started as the villain from Avengers 1, and evolved into an antihero or downright hero. Along the way he changed, picked up a real glorious purpose and found he can love another person. Just because that person is… the same being.
The criticism about not having Loki popping up talking about their vagina while kissing Sylvie is because as Levi said the big discussion by the show runners talking about their representation goals. It is exhausting.