It is; although, in their defence (see what I did there), the government as a whole has always struggled with distributed networking systems. When it comes to the legal system, they have to worry about things that the average company holding a remote meeting does not. In this example, somebody clearly dropped the ball - unless you are a court 'player', you get to sit silently and observe. I don't know enough about the tech whether they can protect the space and bandwidth needed for the mandatory participants.
In some cases with legal processes, some changes have been limited by the lack of enabling legislation (i.e. electronic signatures on documents). Also, the profession has often taken the position that the state should pay for the tech upgrades in their offices.