I don't agree that everything is lazy or clumsy. For the most part, I like the direction they are taking this season. I'm just hoping that this will be my least favorite episode of the season.
This season has been better than the previous 2 (which were utter garbage) but It still falls victim to a lot of the same issues. The biggest problem all around is character development. The characters don't seem natural or believable; their dialogue is next to ridiculous most of the time; and just when a tiny fraction of effort is spent to develop a character - that character is promptly executed by the showrunners.
The "virus" story arc in the current season is the epitome of laziness - much of the argument for that has been made by myself (and many others) is in this thread.