I'd say her taking up only a tiny fraction of the frame is way more important than that she is on one half of the screen. Or center sometimes. This was a pretty useless video.
So you can't edit say.. the timeline, two people, simultaneously?
Waiting for people to be able to edit the comp simultaneously, here.
This isn't real time collaboration. This is a way to upload a clip to an external website so people can comment on it. This is basically useless. To me, at least.
If any of you dislike the change to the cloud, I'd advise you to take a look at Trelby (Windows and Linux only). It's a free, open source, offline writing tool.