I wouldn't call having back to back trys where you go from godlike to absolute horseshit due to RNG "very very well". This was especially the case if you didn't have certain legendaries. Also, if I remember correctly you were one of the more vocal guys to complain about the nerfs and arms in general.
Arms is a broken spec that did relatively well at the beginning of Legion because it was overtuned in a way that all the flaws could be somewhat compensated.