Yeah, I've seen it justified (by users) as "most of the time I don't need the full capacity and I don't want to pay for that extra capacity when the battery can make up for it".
A lot of assumptions wrapped up in such statements - one of which is the one you found: Batteries are typically among the first components to die.
A lot of assumptions wrapped up in such statements - one of which is the one you found: Batteries are typically among the first components to die.