That it's small and minimalist? Personally I'd pay a huge premium for a 3-4 inch screen phone with an okay screen-to-body ratio and a somewhat privacy-friendly

That it's small and minimalist? Personally I'd pay a huge premium for a 3-4 inch screen phone with an okay screen-to-body ratio and a somewhat privacy-friendly up-to-date OS with a browser (I don't need apps besides basic phone, sms and browser). I haven't found anything that ticks all three besides building something myself with a RPI zero, a 4g modem and a hyperpixel4.