Right. As a Linux user I skipped most of Skype for Business experience. It cannot even do passive screen sharing (i. e. display what others share). A web client

Right. As a Linux user I skipped most of Skype for Business experience. It cannot even do passive screen sharing (i. e. display what others share). A web client that cannot show all contents... And that for a paid service, every free aka customer is the product service works in Linux browsers. The old normal (not for business) Skype Linux client could even do active screen sharing (share your own screen) on Linux. Although it was limited to 1:1 calls IIRC. Haven't checked whether they have managed to break/remove that in the new Linux client...