

I commonly will be in a call with friends, where we all stream the games we are playing independently to each other.
Another use case, one person screen shares YouTube for group watching
And one more, we will often play chess and screen share so others can watch.
This is for a group of 3-10 people typically
But that is neglecting the performance aspect.
Something like this can be very good for offloading large amounts of data onto a parity backed array either to be moved to a proper long term storage solution later or to be actively worked.
High resolution / bitrate footage comes to mind, where you may be offloading multiple cameras at once and need high write performance.
It’s pretty unlikely that SSDs will have price parity with spinning rust anytime soon, but the value in them has always been performance.