They absolutely should include replaceable flash memory. Flash is both cheap, plentiful and a consumable, it wears out. It has the same qualities as battery replacement. Hell, why not combine them.
Most people would buy a new phone anyway, but these devices get obsoleted and turned into garbage, forcing people to both generate ewaste and buy things they don't really need.
Between eMMC and SD Express, there are at least two existing great options. I am not asking for doors, all this stuff can be internal by removing the back.
The issue when people discuss this, they get into weeds talking about how this or that mechanism isn't feasible, which is entirely orthogonal. You dictate the outcome, let engineers solve the problem.
Most people would buy a new phone anyway, but these devices get obsoleted and turned into garbage, forcing people to both generate ewaste and buy things they don't really need.
Between eMMC and SD Express, there are at least two existing great options. I am not asking for doors, all this stuff can be internal by removing the back.
The issue when people discuss this, they get into weeds talking about how this or that mechanism isn't feasible, which is entirely orthogonal. You dictate the outcome, let engineers solve the problem.