Notice that those who want to change it want to make the cost punative. Magic Items to use the Mirror? In a game with a relatively finite amount of items floating around?

Oh, and its not just the forums here, the steam side has a number of yahoos who rant and rave about this as well.

I can see placing a debuff where you can only use it every so often.

You shouldn't punish the majority because of something the minority is doing (save scum so you can know about persuasion checks, things like that).

As I said earlier, "bad design" is something that leaves the majority of the players unhappy. And the number of players speaking AGAINST the respec system is definitely not the majority.