Actually, a year or two ago I shared a flat with two Jews. There was this completely non-religious and very funny guy, who's making a living as a stand-up comedian now, who was a very camp, diminutive bisexual Mancunian stoner (see, you're laughing already, aren't you?) who on one occasion while rather drunk told me how sick it made him that so many Jews have the Shoah and their resultant 'world victim no.1' status as the central reference point of their whole identity. Really nice guy, one of his gags was that realising you're gay as a Jewish teenager isn't so bad because you can listen to as much Barbara Streissand as you like and you're parents never suspect a thing.
My other flatmate was this absolutely
mental* Finnish woman who hadn't been born Jewish but had married an Israeli guy at some point and possibly lived there too, converting to Judaism in the process, but had got divorced from him years ago and stayed Jewish - just like John Goodman's character in
The Big Lebowski.
She still took it seriously, a bookshelf full of volumes on Jewish history and culture, Chanukha candles and so on.
*I don't call her mental because of this, she was just mental generally