I really dislike the "don't like it, don't use it" argument. It could justify something absurd such as a .kill button for everyone
Pretty much nothing about Onyxia is set in stone yet, and closer to launch we'll give more details on what the realm design will be. Personally, I'd love if the end design will be something inbetween, like x1 rates only for the first phase. And then bump it to x3 rates after you got a character to maximum level, or after the start of the second phase even if it's your first character. Then rates would be increased further at the second phase of each expansion, so to keep the overall amount of work to get a character to maximum level about the same, but x1 rates would remain for the first phase in leveling from 60-70, and then 70-80 to your first character. Just my personal idea.
In my view this would be a compromise for both sides, and most likely people from both sides would be divided in being both happy and angry at this.