The below text speaks to certain people, not all. I know plenty that would be quite happy with a small screen, but apparently you just could never have a good time with such a thing,because eyeballs are the only way to work with anything. Obviously.

'Remember when phones had tiny screens? The original iPhone's 4.5-inch screen seemed groundbreaking at the time, but by today's standards, that just doesn't cut it. A phone should have at least a 5.6-inch screen, though most nowadays are at least 6.1 inches. This allows you to enjoy a comfortable experience when holding the phone and typing two-handed while still being able to clearly see the content on it. That screen should also be an AMOLED panel with HD resolution and a decent peak brightness of at least 1,000 nits, so it's viewable in direct sunlight.'

Full article: https://www.engadget.com/2281663/android-phone-dont-buy-cheap-without-non-negotiable-features/