Quick seconds... I always feel better being able to get a 2nd load in the barrel - it is just routine for me and a matter of habit.
Someone has already mentioned this but the past year I had multiple deer tags and was able to take advantage of that because I was able to get that second load in...
Why they may not be necessary most of the time - there are advantages... With a TC quick loader available in my pocket - I can normally get the job done in about 30 seconds...
This day I am glad I did...
Plus being another routine for me I never check a suspected dead animal with out a load in the barrel especially if it has horns..