@boe Oh, one of the rare Fudge games. I don't see those floating around much anymore.
But the problem is obviously not the game. You're still being evasive, however, which makes it a little bit difficult to pin down any kind of suggestions.
How do they interact less well behind a screen? If you can't describe it, you can't fix it. If you can't describe it, you can't tell them what's going on so that they can fix it. Which is, after all, the core of the problem.
Are they just being distracted by 10,000 other things which are popping up on their screen? Are they not emoting enough to come across in their voice or on the camera? What is the failure mode that we are observing so that we can come up with a way to solve it, which may be just as easy as telling them? I know, this concept of actually talking to people is a little strange in the modern TTRPG space, but I assure you, it is a possible option.
What is it that's broken?