Morris' argument makes no sense. The Democrats can only pack the court if they win.
That is critical to the whole argument Morris made.
If they lose this round because of they are proven to have cheated and worked with foreign governments to overthrow this country, the party will cease to exist and it's ideology will be rejected for roughly 3 generations.
Personally, I think that the individual members of SCOTUS are aware of just how badly infiltrated we are and 1) have been personally threatened and 2) do not believe they will be afforded adequate protection to outlast the threat.