Just to throw a spanner in the works, there's always the detachable floor plate. Maybe the worst of both worlds, as you lose the advantage of it being permanently attached to the rifle? I have both sorts of floorplate. The hinged one, while it can't get lost, could potentially be opened accidentally (due to the location of the catch, which could get snagged on something) and dump the rounds.
The detachable one, although potentially could go missing, will not open accidentally under any circumstances, due to the catch being well hidden. It requires a small tool pushed into a hole to open it. Originally designed to use the tip of a bullet apparently, but it does mangle soft point ammo, and could affect seating depth.
I tend to load the mag at the beginning of the day and unload at the end, keeping ammo below bolt most of the time, or bolt open when an extra level of safety is required, such as climbing seats or talking to members of the public.