Actually, while that is famous, in NY, NJ, and New England it is somewhat prevalent in Southeast Asian immigrant communities. UNICEF cites SE Asia as the worst place in the world for it and it holds over. Some more broad info about this can be found here.
In polls, the majority agree they should be banned, but there is a high number of people who have no opinion on it. I strongly believe that is because they are so rare, that people legit don’t even realize what it is they are being asked about when asked if they should be banned.