"It really doesn't seem like Microsoft had any thought of battery replacement in mind here"
Oh I think they put a lot of thought into it - 'how to make it as hard as possible'.
The lifespan of a smartphone is short and brutal. Their beating heart is a battery that will, given enough cycles, puff up and die. Unfortunately, Microsoft's Surface Duo is designed to confound even the most routine maintenance, as argued by iFixit's latest teardown. With screwdrivers in hand, the team opened up the Duo and …
MS design for this was built on two things, thin as possible and symmetrical.
https://www.theverge.com/21426955/microsoft-surface-duo-folding-android-phone-history
It's just going to be full of engineering compromises when form overrides function.
Not saying the short lifespan of it wasn't a factor though.
As the only likely buyers of this device other than iFixit will be Samsung and Motorola!
The former has already destroyed theirs, while the other 2 will only be interested in the hinge design...
End-users? Anyone willing to buy this for $1400 can just buy another one when it no longer works!
Yep. This is Zune 2020.
Well done MS. At least you tried but really... wasn't it obvious that this thing is a dud yet some 'C' level exec in MS authorised this for production?
On the bright side, we now know where Sir Jonny went after leaving Apple. Servicability was never a strong point for him.