It reminds me of their little "wargame" they practiced.

That Trump will not concede in any form, cause they believe he is fascistic in nature, and how every non-Biden win leads to Trump support responding in extreme violence. And when they play the role of Biden, he will not concede.

So, their belief is that Trump is extremely divisive and the only hope is Biden. But that's all on the pretense that Biden wouldn't concede (which, while still very likely, need to be prepared they won't). All of their predictions are based on the extreme view of the scenario. To a point where some plan to fire and ban Trump supporters from legal and governmental positions.