My parents would ban Pi from the house, and me dating him wouldn't even have to come into it. That's where I come at it from. Their house, their rules, and thing #1--you offer respect to the parents hosting you, and you adjust to their ways, or you leave.
They were clear about this when I was 12, and they were super duper clear when I was 19. The minute one of them got even mildly injured because he was treating their floor like his closet we would be encouraged to never speak of him to them again, and keep our socialising out of the house.
Castle was rude in their apartment, no question there (I'm trying to imagine my parents there, and it's nothing but laughs (at everyone's expense)), but if Pi wasn't respectful in his, is it an important part of Pi's social contract? 19 is plenty old enough to be respectful. And it's clear that Castle isn't used to disrespectful friends of Alexis.
So--even if he'd dislike him only because he's dating Alexis, I don't think there's a question that the writers chose to paint him as a buffoon, albeit one who wants to save the world.
The comments about Alexis being able to get an apartment ... isn't that pretty much standard for TV? especially shows about young people in New York (like "Friends" ... although I never really watched it). And I'm always reminded of the depression-era studio executive who complained that a character was looking too prosperous with something along the lines of, "she's a schoolteacher, she can't be making more than $300, $400 a week" (in the depths of the depression, mind you).
On Friends they actually made it clear that Monica was illegally subletting her Aunt (I think)'s place and Phoebe got her's from her grandmother. Chandler and Ross both had good jobs and Joey occasionally didn't pay rent.
I always appreciated that about that show.
The lighting in the final scene of Elementary made it look like she had opened the Maguffin suitcase from Pulp Fiction. Then again, it's probably as magical.
I've watched the episode twice, and the plot has fallen out of my brain both times right away. But I do remember the character notes, so...
Cute allusion to the curious incident of the dog in the night-time.
Dear every set decorator ever:
The DC Metro does not look like the New York subway. Stop trying to reuse the sets.
Also, I am paralyzed with the stupid of Agent Keene.
Why the fuck did she not TELL somebody that she had spotted Barnes and that he was exiting the building. All they had to do is contain everyone that left the building (which they should have been doing any damned way) and the hostage situation would not have occurred.
Also, you know that you have a fucking crazy doctor on the loose and the guard just lets any jackhole in scrubs into the room?
The burn might be too much.
Dear every set decorator ever:
The DC Metro does not look like the New York subway. Stop trying to reuse the sets.
Amen.
Plus. You can get the names of some stations right, but call one Farragut East?
I don't get it.
I was watching with half an eye, and I was so confused. I thought they were in NYC suddenly.
WHY IN THE HELL WOULD THE FBI LEAVE THE SOLE SURVIVOR OF A TERRORIST ATTACK UNGUARDED IN THE HOSPITAL?!?!?!?
I may need to break up with Blacklist over this. Srsly.