No, you are not. I've been yearning for such an OS for some time now, and have been putting a lot of thought into precisely what it is that is missing from modern computing that makes me feel like a "personal computer" doesn't exist anymore. I think John Ohno's article "Big and small computing" [0] managed to articulate it better than I could. So what I've been doing some research and planning and trying to find the shortest path from the garbage pile we have today to something reasonably like what I actually want, and doing the research needed to make that happen. Unfortunately there's quite a lot to be done and I lack the experience and skill set to do it all, currently, but it's something I really want to do. I wish I could find a community already engaged in the same goal.

[0] https://hackernoon.com/big-and-small-computing-73dc49901b9a