With 2021, the Olympia is going to be huge - hopefully, back in Las Vegas where it belongs, where they have enough hotels, and international travelers from all over. However, Orlando also has a ton of hotel rooms, and proved to be more flexible and open when they really needed it.
With vaccines being made each day, and people getting it and recovery (although not all), by May-June, the impact of new Covid cases, unless different strains, will be going down quick.
Flex Lewis has already confirmed he will be competing... and talking to quite a few fans, they will be going back.