To the list of misses he forgot to add Skype and Nokia purchases, IE market share decreasing from something like 90% to less than 20%, Windows losing the battle in the data center, deriding iPhone and open source.
Ballmer blocked Office on iPhone even though it was ready to go: Office on iPhone was released on Sep 2014; Satya became CEO on Feb 2014.
Never-mind stack ranking (which he copied from Jack Welch) and the cut-throat culture it inspired (seeing Somasegar bicker with the head of Excel over porting Excel code base to VS .Net in 2003 at a DevDiv 'morale' event was something)
So yeah, good riddance!