If you were to catalog all police shootings in the United States over, say, the last ten or twenty years (you probably wouldn't want to look back earlier, because to keep it to an apples-to-apples comparison you would not want to mix the more recent widespread use of semi-automatic weapons by LEOs with the prevailing use of revolvers by LEOs in earlier times), and plot histograms of the total number of rounds fired and rounds that hit the perp(s) in a single incident, the reported 110 shots fired (by LEOs) and 68 hits would almost certainly be a far "outlier" (in the statistical sense) that would and should warrant extra scrutiny.
The count in this incident may be less than, for example, the count of rounds fired in the Miami FBI shootout (look it up on Google if you don't remember it) or the North Hollywood shootout, however in those cases I believe that there were multiple perps whereas this was a case of a single perp. So, yes, this large number of rounds fired and large number of hits should raise some eyebrows. Your attempt to restate my "logic" is far off base.
I asked you, what your policy would be to prevent this "problem" from ocurring?
...before you start trying to do real extensive calculations... well... you better take into account "distance" on this one... they were about to step on him.. 3 feet or 4.... I'll admit to a little "looseness" on my rapid fire....but I'm pretty sure I'll pop at least 60-70% of them at that distance..
If they were using full auto weapons the nine officers could have easily fired 110 rounds in one, one second burst of fire. Hardly a misuse of force.