You're not disagreeing. Parent is talking about the measurement units changing, whereas you're saying the meaning of the SI prefixes shouldn't change. You can have both: require KiB, MiB, etc.
Exponentially increasing? 10^3, 10^6, 10^9, 10^12
(I kind of hate being that guy, but I mean it in a positive and helpful sense)
Using MiB avoids confusion, misuse, and ambiguity.
Uniformity (what you're also calling "consistency"), if it's even warranted here, would be far lower priority and could wait.