As in, a gun like this might not need to include a manual safety? There are already lots of guns that don't, like Glock--one of the most common, if not the most

As in, a gun like this might not need to include a manual safety? There are already lots of guns that don't, like Glock--one of the most common, if not the most common handgun in the world. I'm not totally sure what the people you're talking to were referring to with "guns which easily fire unintentionally and guns which are quite difficult to fire intentionally."