The problem is not just that they're all solving the same problems, but that they are mostly solving them in the same way: put everything in the cloud, 'feudalize' the device, make everything free and then monetize the user, solve security and OS-rot problems by closing the ecosystem and enforcing conformity instead of by fixing the underlying problems with the platform that give rise to this entropy and insecurity.

Read Zero to One, on competition and its downsides and the way you begin to 'clone' your competitors and nobody does anything interesting.