Some bets are less gambling than others. For example, if you bet "no" on the US leaving NATO this year, just how much of a gamble is that? There are many such bets, some a lot less uncertain than this example. Anything can happen in today's environment as yesterday's ceasefire showed, but in aggregate, statistics and commonsense are not lost. The regulation you speak of is oppressive, legally unchallenged, and is considered undesirable by people who appreciate personal freedom.