Perhaps, they continue that sports event because they need an income for their country, so they allow the sports event to do that with the term and conditions. I am sure that the government already thinks about the spread of the virus in that sports event, and they will try so hard to protect all people who are involved in those sports events. We can only hope that sports events will not have a problem with the spread of the virus, and people can back to their homes with safety.
Until now I have not seen the news about being infected with the virus after the sporting event has finished so all is well as long as it must comply with existing protocols and I am sure the government has tested the feasibility of the sport being opened so that no one is infected in Covid-19.
Sport is important in the government economic industry so it paves the way for any sport to be reopened.
If you are familiar with the NBA, there's a lot of players and staff who are already infected, but that was during in the process or before they travel to Orlando, but there's always the risk here, so let's hope that once the league formally resume their season, there would be no more infections that will be recorded.