With completely wireless earbuds, the rule is: when the battery fails, they have to be disposed of. Not so with the Fairbuds, that allow you to replace batteries in just a few seconds. Combined with a repairable design, the earbuds should therefore have an extremely long lifetime.
Yeah, they don’t protect you from shorted cables or dirty controls either.
The person you were replying to was saying that contrary to what the person they were replying to said, in ear headphones can have reproduction quality that merits being a “codec snob”, not that we shouldn’t care about wireless versus wired.
They even say that they don’t use wireless headphones.