I have almost never posted but this time, I feel I have to...
As other scourges, I want to say that I am appalled by these changes and I don't care about alacrity.
I also feel that Anet still wants to nerf staff mirage ; until when ?
Moreover, mechanical genius is a stupid and pointless idea. You can change it as much as you want : stats, cooldown, whatever you may try, it remains à bad game mechanic...