...or [God forbid?]...
I think that answers that question.
How about ... better than main HE? The Casino would never go for it? Too few gamblers would even care?
Even if the casino would go for it (which they won't), the average player would not realize, or even believe, that a side bet pays better than the basic game.
...players seem to like it in poker...
The operative word here is 'seem'.
Poker players love being involved when it hits. But if you really start to analyze it, it sucks. When you start to over-think your hand and play it differently because of the possibility of the bad beat ... there's no way to sugar coat it ... it just fucks up the game.
I was in a hand where I had pocket Jacks. The flop was Jh, Th, 6x. A couple bets and calls making the pot about $65. I go all-in for over $250. One guy who only had $15 left called, everyone else folds to the guy on my right. He thinks about it FOREVER. He ends up showing me the hand as he's still thinking about it, trying to get a reaction. He had Kh, Qh. He had the second nut flush draw, open ended straight, and straight-flush and Royal draws. He finally folded.
Because of the other all-in player, we saw the cards to come. He would have hit a flush and beat me. But if he would have hit a straight-flush, and if I would have picked up the last Jack, I would be a dead man, because I got him to fold a bad-beat hand.
If I would have thought about it, and played it hoping to hit the bad beat, I would have lost to the flush.
See how it can fuck up the game?
That said, Dan's Pai-Gow Bad-Beat is a different animal. I like the concept.
Can you push the basic bet and win the Bad-Beat, or do you have to lose both?
Superstitions are silly, childish, irrational rituals, born out of fear of the unknown. But how much does it cost to knock on wood?
Note that the same could be said for Religion. I.E. Religion is nothing more than organized superstition.