Is it realistic to believe Pacino as a Jewish person?

He played a Cuban didn’t he?

He has a jew looking nose.

Of course it is. Do you somehow think that he doesn't "look Jewish"??? Corollary: do you think there is a "Jewish" look? (Hint: there isn't.)
If you're wondering if he can "act" Jewish (again. . .corollary: there's a "Jewish" set of mannerisms/rhythms/whatever), then that's a non-issue as well, if you stop to think about it. Even if such a thing were true (Hint: it isn't), it's called "acting." And he's pretty good at it.

Is it realistic to believe that Amanda Seyfried and Jon Stewart are bumping fuzzies?

Just kidding, I don't know if they are in an intimate relationship or not.

I am happy that he's ACTING and doing a voice, because he always seems to play himself.

You bring up an interesting question, actually. Christian Bale, for instance, always just becomes whatever character he is playing, but I totally didn't buy him as a Jew in American Hustle , and I know from discussions with people that I wasn't the only one.

I mean, who'd have thunk it - THAT was the role that defeated him? Playing a Jew? 🤓

Pacino is passable thus far (one episode into the show), although I do wonder why they didn't get Dustin Hoffman instead.

Since he hasn't played anyone but Al Pacino since SOAW, I would say "No".

He is playing the character very well. Much better than Hoffa.