If gun ownership were more tightly controlled, those 14000-19000 nonfatal injuries and the hundreds of fatal injuries from accidental shootings would be reduced by at least an order of magnitude - lives would be saved.
The number of firearms accidents is statistical noise. Anyone making a great hue and cry about them is clearly not actually concerned with gun accidents, but is trying to use them to veil a prohibitionist agenda.
If gun ownership were more tightly controlled, the 60,000 to 2,500,000 annual incidents of firearms self-defense (yes, huge error bars) would be reduced -- more people would be murdered, raped, and robbed from. Lives would be lost.
Also, of course, enforcing a prohibition law ipso facto means locking people in cages for acts that do not credibly threaten the rights of others. Liberty would be lost.
Here in the civilised world...murder rates and prison populations are proportionally tiny compared to the USA.
Folks in Mexico, Philippines, and Brazil might take exception to being called "uncivilized".
Yes, we have more violence than other wealthy nations. We also have more of a problem with an unaddressed legacy of slavery and segregation, ongoing racism, ongoing economic injustice, and lack of access to useful mental health care than those nations do. Those factors have far more to do with our violence problem than access to firearms does.