For some reason... some people feel the need to defend the "good LEO's" when a bad one is being spotlighted... why? If they are good then they are doing their jobs and fullfilling their job descriptions and responsibilities... why do they need to be defended? Why, when a bad cop is being discussed it always has to be said that, "Not all cops are bad"?
Because, for whatever reason, society in general paints LE with a broad brush based off acts of a few. Not sure why that is the case for LE when it is not for other groups. I'm going to guess that it's because for the most part, LE is viewed as "the bad guys" and groups such as say, firemen and paramedics, are the "heroes". LE has long been called "pigs", never around when you need one, only show up when something bad is happening, etc.
Also groups like teachers, judges, doctors, firemen, etc aren't generally in situations that put them in great harm many times a day, EVERY day. They don't have the same stresses, reactions, training or required mindsets. Heck, most people aren't even aware that firemen and paramedics don't go into any non-routine situations without making the police go in first and telling them the scene is secure. But yet, THEY are the heroes...
Other professions get recognition for their bad apples and their good deeds. LE generally only gets recognition for the bad apples and the good deeds are ignored as "it's part of the job". LE is picked apart based off of portions of cell phone videos that only show confrontations, not the events leading up to it.
For example, we don't know the history on the female student in SC...maybe she had run ins before with the SRO, maybe she's been combative with him in the past. That changes scope and reaction. Putting weight on the fact that he was fired doesn't necessarily prove anything; it only means that someone's head was going to roll and sh*t rolls down hill. Maybe he's requested further training and been denied. Maybe petitions have been brought in the past to have this girl removed from the school entirely and a higher up denied it but needed to save face. The politics in ANY department and the connections are sometimes unfathomable and illogical. None of that comes into play when society at large is already biased on the profession and cell phone videos are sensationalized by the media with no background. At the same time, guess what...it's not your background to know!
Seriously, LE is the most Monday-Morning Quarterbacked profession I have ever heard of (except maybe politicians). Heck, even our dispatch training is based off of MMQ'ing 911 calls, even ones that went well, and it's not pointing out the good parts.
While I used the SC incident as an example, I'm going to remain silent on my opinions based off the fact that I know there is almost always more to the story and I don't feel it's fair to make the judgement without further info.