I don't know why Hasbro would do it, but it's just so PAINFUL to listen to, the new voice just sounds so BLAND and EMOTIONLESS, while the old voice was excellent, it had emotion and characterization in it. Also, they re-recorded Rainbow Dash's voice as well, what's more is that Dash's re-recorded lines do not even SOUND like Ashleigh Ball at all, it sounds like someone else is doing her voice instead.