Maybe half length, not sure half space.

That’s because most Android phones are tablet sized. We could simply have smaller phones.

I tested the Samsung one in the store and that groove thing in the screen would drive me crazy

They have a nightmare of a crease. Every single one. Even slight warping causes me to recoil. No, I've used one, they are absolutely unusable for me.

I'd agree if there were fewer compromises required to pull it off.

What’s the main use case of this?

so what do you use on yours with more dexterity than without it?

It's great for watching shows on a stationary bike, reading manga, and as a drawing tablet. There's a bunch of artists that only use procreate.

Schools--for better or for worse, schools buy gobs of ipads.

i see one at basically every store or bar as an easily configurable POS

Are you serious? For anything that needs more screen estate - reading, browsing, photo/video watching/organizing, or simply if your sight is not as good anymore, it's so much better than phone. And with the pricetag around $350 that is amazing value.