True, though in the case of the Kindle they're not really intrusive (only appearing when it's off) and the price to remove them is pretty reasonable ($10 to remove them forever IIRC).
As far as ads go that's not bad IMO)
As far as ads go that's not bad IMO)
All for ads which are only visible when you aren't using the device anyway. Don't like them? Then buy other devices, pay to have them removed, get a cover to hide them, or just store it with the screen facing down when you aren't using it.