I don't think so, because bookmakers will include events that can bring a lot of money to their site, and you can see the American presidential election is always an event that many people are looking forward to so bookmakers know this will bring a lot of profit to their business, and if you read about the case it is not because of the betting event but how the bookmaker accepted bets from American citizens where they do not have a license to permission in that country, So the problem is with the bookie, not the betting event.