Riot wanted to make Aatrox easier to to play from behind...BUT THE OPPOSITE HAPPEND.
BECAUSE, if you do fall behind and start getting zoned in lane it becomes VERY hard to stack to Blood Rush so you can have the revive. Meaning you are very open to being tower dived, and since Aatrox is very squishy in terms of his kit, this is very bad.
GOOD JOB riot, you made the champion weaker in the very thing you sough to improve.