what? why? they're already bigger than one hand -- way too big! Get a computer

It caters to a very specific target group: voice calls[1] and looking at a lot of information at once[2].

[1]: Mediocre folded experience doesn't bother them

[2]: Think calendars and whatever else middle managers look at

Why get a computer if you just want to read or watch videos?

youtube with ublock origin is a game changer.

Or you can pull up VLC and peruse your collection of locally-stored content

On Android you can just patch and recompile the native youtube app on your phone to disable ads with ReVanced.