Pre-trial detention has a very limited purpose. It should not be and is not the default of the legal system in part because pre-trial detention is functionally identical to imprisoning someone without a trial. If your view of "danger to society" was adopted, everyone accused of a potentially violent crime or of crimes like theft would be subject to jail without trial. Here, the circumstances of this incident don't implicate a general danger to society while out on bond. This appears by all accounts to be an isolated incident with a particular individual in a particular setting. His "admission" to the crime came with a pretty important caveat that he was defending himself AND an expression of concern for the well being of the victim.
No one is calling you names. No one is attacking you. We are simply explaining the law. And we are explaining why your argument isn't and should be a basis to jail him prior to any conviction. Stop being so sensitive. Man up.