There are several things that make this episode so entertaining.

1: Religion is still around (unlike in Trek).
2: The Rabbi. I like Rabbis. They're like Priests, but with a sense of humor.
3: I liked Walker Smith.
4: The Muta'do. Need I say more?

If you watch closely during one of the bar
scenes, you can spot a Zima sign.

I noticed that too... I guess they will still be around in the 2200's.

According to JMS, the Zima sign was put in as a Joke. The crew was fooling around.

I've heard about this, but being from the UK, who are Zima?

They are an alchoholic beverage with a slight lemon tase that is also carbonated and clear. A refreashing pause for the considerate adult.

Sounds like an American version of Hooch, eh, Douglas?

Or something like Bacardi Breezers or one of these other types of drinks that have come out in the last few years Callie.

They were marketed as the beer-ish equivalent of wine coolers.

Walker to Garibaldi: "Watch your back." Oh my.

What was the race of the creature that tried to kill Walker Smith?

If you refer to the creature who tried to shoot Smith during the Mutai, the one who earlier ranted on at Garibaldi about humans interfering in alien buisiness he was a Grome, the least technologically advanced race n the League of Non aligned worlds.

Religion is still around (unlike in Trek).
Luigi Novi: Actually, the closing scene of an earlier episode in which Sinclair greeted representatives of different religious beliefs established that, though I forget which ep it was.

Parliament of Dreams.

Okay, so this episode shows that an Earthman can be just as brutal and savage a fighter as all the aliens.

By rights, this episode should have been offset by having an alien artistic/creative group that considers Earthmen to be too crude or uncreative, that a "Walker Smith" of art/lit/poetry has to challenge to get the right to take part in it. Show that Earthmen can be just as artistic and creative as the aliens.

That is, this artistic/creative group has some of the same species as we saw duking it out for the Mutai, plus others that we'd expect to be more artistic, like the Minbari.