I think of it like the game boy: interactions at the bottom, actions at the top.

Samsung have done some work in alleviating this by having a lot of their menu items sit by default in the bottom 2/3 and Google at least moved the search bar to the bottom of the launcher.

But iOS and Android are both small-screen OSes stretched over a large screen. IOS16 is just iOS1 with more icons on the home screen; the interactions remain largely the same.

Neither OS redesigned for larger displays so we have weird leftover interactions like the drop-down notification shade which was designed to be reachable with a thumb completely out of reach.

What people don’t realise is this finger jujitsu required to reach the top of the screen is a large contributor to dropped phones and broken screens. It goes beyond UX.

Both OS need a complete rebuild from quite literally the bottom up for large screen devices but all we get is the annual iterative updates.