That handbag was fair game.
Everything after that was just for a laugh.
The real questionable morals is from Beth who didn't have the common decency to tell the last person she was ever going to see "Hey? Do you want my shit over there? Have my shit? I'm not going to need it."
It was selfish of Beth to force Sarah to waver that she might be stealing what was just your average cast-off salvage bric-à-brac, like how old guys leave small boxes of used up porn under the benches at the terminal for the next generation of masturbators to uncover in their own lonely closed curtains white knuckled version of the circle of life.
The train station is a magical place.