If relationship viewing can be turned on or off in Settings, why can't private space sharing utilize the same kind of permission so that family members can see each other's private spaces?
Family Tree engineers are working on a prototype of shared private spaces. It was mentioned by Ron Tanner on his YouTube channel a few weeks ago: https://www.youtube.com/watch?v=JB929xGnKUo
If you review Ron Tanner's RootTech presentations over the past couple of years, you will see that they are working on a way to share private individuals. I don't remember if he talked about it last year but apparently they are making slow progress. On portion of the upcoming change is the new Family Feed feature that is being tested:
Apparently this is a slow, careful process due to all the privacy laws involved.