Earlier quoted context omitted.
I gladly pay my life insurance premium because I want to know my loved ones will be taken care of. It's not a scam. I fully intend to pay in more than I get out of it (I hope!!). Lottery isn't really a scam either if you derive pleasure simply from playing the game.
Yes but a fair insurance would be the exact price of the risk leveled among insured, plus a small processing fee. There should be not one penny left for luxurious offices or prestigious ads or art mecenat. Lottery pleasure is empty. Play poker with friends, you may loose money but at least you get friends. The problem pointed in Kahneman book is that we are irrational, and (AND) it's usually the less irrational among…
Okay, but small is relative.
For example, an insurance company has to pay for investigators, the number of which would likely scale linearly with customers.
Nice offices and an advertising presence are also likely necessary to entice and maintain customers, probably more-so an an industry like insurance in which there aren't many tangible differentiators between competitors (see Coke vs Pepsi).
I don't see why insurance should be any different than any other industry regarding these issues and also the existence and legitimacy of profits (assuming they weren't derived from fraud).