[mark_l_watson]

Yes indeed, this makes a lot of sense for customers but then Apple would lose money only selling one device to most people (and also maybe a watch).

The last time I visited my Dad, I tried plugging my iPad Pro into his new Apple 6K monitor - really nice! Some apps like Mosh use two displays fairly well.

Even with limited multiple windows, it was nice. Then playing Apple Arcade games on the 6K monitor was visually stunning and fun.

If I had only one device that could function as you and I want it to, it would be an iPhone or new iPad Pro that also functioned as a cell phone. I use the smaller iPad Pro, and it really is portable. Probably an all in one iPhone would be best.