> Is it because we are past the point of no return?
If you look at the computer history, we already had several cycles from single computer to timesharing to mainframes/supercomputers to PC to thin-clients/mobile to (?). There has always been a time when single powerful computers were in the majority and then there has been times when thin-clients with big server structures were the majority. The Internet supports also the model of more decentral computers and everyone could host their data on their own devices. It's currently just not the right time and there is no business model behind it, so no one push for that solution at the moment.
If you look at the computer history, we already had several cycles from single computer to timesharing to mainframes/supercomputers to PC to thin-clients/mobile to (?). There has always been a time when single powerful computers were in the majority and then there has been times when thin-clients with big server structures were the majority. The Internet supports also the model of more decentral computers and everyone could host their data on their own devices. It's currently just not the right time and there is no business model behind it, so no one push for that solution at the moment.