Hi, i use QoS bandwith settings for dealing with bufferbloat. i have slow internet connection (12/3 mbit) and i wouldnt prefer to lose whole 1Mbit/s speeds to deal with bufferbloat.
i dont know if there is a technical requirements for defining speed limit for megabits, if not, defining kilobit speeds will help people with slow speeds.
i have Hopper DSL (KN-3610), with stable 4.3.6.3 firmware, it only shows megabit/second