

You get downvoted because people here tend to dislike Apple (which is fine), but that’s actually what happened.
The iPad (and eventually Android tablets) basically ate up the market share of Netbooks very quickly. Steve Jobs introduced the iPad as a Netbook alternative as a device class between a smartphone and a (full-sized) notebook/desktop.
https://www.cnet.com/science/apples-ipad-nabs-netbook-market-share/
Not sure if I understand you correctly.
Your goal is to have a single (1) computer that replaces all computers you currently have by essentially virtualizing different systems?