I personally feel the protocol should be opensourced and security bugs should be fixed which are written in cpp for audio/video calls. Or the video or audio call process should be sandboxed and tightened api access
Everything speculated here is VC money and financial bubble with unrelaible financial values. Zomato, uber, paytm, flipkart throw discounts at the rate of losses. May be few can survive at the end. This hurts a lot for SMB too.