Conclusions to decades old problems is hardly jumping to anything.

But who knows, maybe the suspect was ready to shoot, or is it maybe the cops finally had the opportunity to plant forensic evidence to absolve the shooter?

Watch youtube, English Bobbies commonly handle knife, or sword wielding men of varying stages of insanity without killing any of them.  In the entire country of Germany the number of bullets logged as fired in duty amounts to one incident in the land of the free.