Just hire the guys at Madden to populate the seats and add the equivalent of a laugh track...why not? Or, in this day and age of technology and how cheap it is, set up cameras of fans in homes, bars, etc. for reaction shots. They could figure something out.
As Rams fans, I don't think we really want this for selfish reasons. We finally get a stadium of our own and no one's allowed to show up? F that.
As far as C-19, eventually the hysteria will die down. A vaccine or immunity or acceptance or a combination of all these things will become the norm. But people have been going to games for decades without even thinking twice about getting the flu while they're there. I know the flu isn't identical to covid but this too shall pass.