Taking Insurance in a BJ tourney

[Mr. Curious]

I know that insurance is a bad deal, but isn't it +EV to take insurance in a BJ tourney when you have an BJ and the dealer shows an ace? Since the goal is to win chips and you'll only push on a BJ, you're only giving up 1/2 to ensure that you win 1.

Maybe +EV isn't the best thing, rather isn't it better from a strategy perspective to take the gauranteed money since you have a limited number of hands in which to attain the chips?