Another thing is that for a blind mag it often means one less cartridge is in reserve and that could make a difference in some situations.
I not long finished a blind mag stock for my hill rifle (6.5x57) but dont forsee an immenent charge by an enraged goat so that aspect of the discussion is not relevant for me but faultless feeding is as we have often encountered sitautions where a mob of animals are able to be/need to be attended to and a feed issue is unwanted in those situations. I remember one time, a few years back, when I was hunting with another rifle and after shooting a number of animals my mag was empty but with still more on offer I reloaded a single round but made the mistake of droping it into the chamber instead of into the magazine and so the rifle was out of action till I could get a rod to remove the round from the chamber so in that case a misfeed was unrelated to the magazine bottom configuration. I dont remember any occasion over the last 50 years where a mauser was incapacitated through anything other than a round hanging up under the feed rails and the bolt starting to ride over the top, that could not be rectified by drawing the bolt to the rear and giving the top round a slight push down to reposition it in the mag and everything was back to feeding as it should. Bottom metal or blind mag would not have made any difference in those circumstances.
I do like the feel of the rifle with the blind mag in hand