See, my issue with the DC shows, and I suppose to a lesser extent the Marvel shows (that AREN'T Netflix), pretty much boils down to the fact that after they hook you in with the initial season(s), they devolve into an utter shit show.
Like.
Arrow S1 ? Good, potentially GREAT even. S2 ? I hear whispers of the decline. S3 ? Apparently it's a crater that just keeps getting deeper with each consecutive season. The Flash ? Same thing. Supergirl ? I've heard that S1 isn't even that good. Agents of SHIELD ? Yep, same dealio. Now, now. You might say that, HEY, it's not that bad. People obviously keep watching for a reason; and that reason is hope.
I see my work is not yet done.