There have been a handful of religious communities, like the Mennonites, that don't believe in commercial insurance, but they instead have a community that will step in and help when something happens to one of its members. So it's still a form of insurance, they just don't use money.
You're probably thinking about racketeering, but unless you actually believe your home insurer will set fire to your house if you don't buy fire insurance, the comparison probably isn't apt.
What you may have refered to is a particular ruling that insurance contracts are not commercial contracts, but that has been overturned.
Off the top of my head I can think of insurance products and the futures market.
But if you can find citations that will be very helpful for me!
A good quote I found: insurance transfers risks that already existed; gambling creates risk for entertainment.
Think "why am I more comfortable with gambling because my state mandates I pay it" and think about what circumstances led to that, and then think about what prompted you to care at all.
If so, why is it bad for it to disappear again?
Can't read the full article, since wsj have a competently implemented "To Read the Full Story, Subscribe or Sign In" shield.