It's not at all pretentious to see if there are more levels to a piece of entertainment than what's just at the surface. As they say, the unexamined life is not worth living.
It's not subtext to have Ares pop up and start doing the monologue in front of Diana while she offers noxious platitudes in return.
And yes, Marvel has used the Oscar Bait approach as you call it, see: Black Panther.
Nah, it won Oscars but it didn't need to sell out and be blatant Oscar bait.