The problem is this show is feminist in desire, but the exact opposite of feminist in execution, and the writers don't even realize it. Unless the goal of feminism is hating on men and diminishing them, then this show is not feminist. If they have to dumb down male characters to make females look better, then they are not feminist, and this show does that.
If feminism is supposed to show women in a positive light and as equals, then making men look stupid and weak, and showing outright gender hatred (as Cat Grant did), does not accomplish that goal.
Compare the movies Wonder Woman and Captain Marvel, where in both cases, you had strong women heroes without weakening male heroes. Wonder Woman doesn't need to beat Superman to look strong. Steve Trevor was a hero in his own right and while obviously he couldn't physically match Wonder Woman, he wasn't some submissive going around telling the world how much better she was than he.
Nick Fury was vital to Captain Marvel's emergence as such a powerful hero as well.
They didn't need to dumb him down, and at least so far, we haven't seen Captain Marvel turn Thor into some sniveling submissive who goes around bragging about how strong Captain Marvel is compared to him.
But Supergirl used Superman for that very purpose.
If Superman is stronger than Wonder Woman, and in their brief encounter, it looked possible, that doesn't hurt Wonder Woman one bit. But Supergirl needed a weak Superman to establish Supergirl as something she should never be. It's not feminism--it's quite the opposite. Rather than the writers letting the character prove herself worthy, they took a shortcut and weakened another character.
When the show stays away from politics, it is so much better, as last week showed.