Many are out of date... And, what I mean is, given that both consumer and company know that the phone's life would be longer with a new battery, why do they re

Many are out of date... And, what I mean is, given that both consumer and company know that the phone's life would be longer with a new battery, why do they refuse to offer replacements? Phones are fast enough and featured enough for me now. If someone made a decent one with replaceable battery that will be on the market for awhile I'd throw money at them