There are honest people that go to casinos just for that reason. It may sound funny and odd but it is fact.
Their aim is to meet people and sexy chicks.
Well, the casino IS another place to meet people and socialize, not just to play and have fun. It can be a pretty easy way to find some new friends after all, with how the games are setup such that multiple players are able to join in in a single table. It's also one of the wonders of Brick and mortar casino which is really fun, it's comparable to how a bar is a place to forget things and also to meet new people.
Wearing a regular mask will not really prevent an individual from contracting the disease. Social distancing and be aware of the surroundings should really be practiced by everyone. Everyone is at risk so one should avoid mingling with large crowds, as much as possible stay at home if you don't have anything significant to do outside.
The new normal in betting will last for a while up until we have the vaccine available. But til then, expect to experience a different environment in gambling or sports betting.
The mask is for the purpose of you not infecting others in case you are infected, it's not to stop you from being infected. The virus is a non-airborn one and is mostly transmitted through intake of small droplets that was released by the infected one. Just avoid touching anything, you face included, and once you get home, disinfect your hands quickly.