Personally I do agree with your points- Windows 8 offers nothing of interest to me.
However all in one desktop computer sales have been increasing. Many of them are touch screens. If this continues there is a possibility that as much as we may not like it 8 may be successful to some degree. Not saying it will be, just saying it is possible.
I still wont be using it as a main OS. I'll only have it so I can learn it to better assist my clients. 7 will be my home OS for the foreseeable future.