#2. More people will flock to shows after the situation slows down
Absence makes the heart grow fonder and fans will start missing the shows with people attending. However, government regulations rightfully restrict anyone from hosting events that have major gatherings.
Regardless, once WWE starts having shows in arenas with fans again, you can be assured that they're going to sell out in no time. WWE may not even face a 'rough season' in terms of ticket sales.
For example, September is a month where WWE has historically struggled with attendances - something that even Road Dogg admitted when working backstage on SmackDown. They may not face such an issue this year and pending no economic depression or downfall, they may even increase the price of tickets to make up for lost revenue.
And if all is well, the company may have zero struggle with attendance this year. It's going to be a huge show once fans can attend the venues again.